Aa|PVHH $ d    dFootnote TableFootnote**. . / -   \4\GTOCHeadingF   D    !  "  #  $ fe % ee &  '  (  )  * H + F ,  - H . F /  0 H 1 F 2  3 H 4 F 5  6 H 7 Fr 8 mat 9  :  ; =- <  =  > men ?  @  A rie B Ti C  D tic E  F ula G  H ula I Bo J  K ula L It M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  [  \  ]  ^  _  `  a  b  c  d  e  f  g  h  i  j rFi k 0F> l  m  n  o P p  q  r V s H t  u  v  w  x  y  z  {  |  }  ~           Fo e Foo  *          \     TO He F          fe ee     H F  H F  H F  H F  H Fr mat   =-   men ! " #rie $Ti % &tic ' (ula ) *ula +Bo , -ula .It / 0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ A B C D E F G H I J K LrFi M0F> N O P QP R S TV UH V W X Y Z [ \ ] ^ _ ` a b  c  d  e  f  g  h  iFo  je kFoo l m* n o  p   q  r  s  t  u  v\  w  x  y  z  {TO  |He  }F  ~         !  "  #  $ fe % ee &  '  (  )  * H + F ,  - H . F /  0 H 1 F 2  3 H 4 F 5  6 H 7 Fr 8 mat 9  :  ; =- <  =  > men ?  @  A rie B Ti C  D tic E  F ula G  H ula I Bo J  K ula L It M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  [  \  ]  ^  _  `  a  b  c  d  e  f  g  h  i  j rFi k 0F> l  m  n  o P p  q  r V s H t  u  v  w  x  y  z  {  |  }  ~           Fo e Foo  *          \     TO He F          fe ee         H  F  H F  H F  H F  H Fr mat   =-    men ! " #rie $Ti % &tic ' (ula ) *ula +Bo , -ula .It / 0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ A B C D E F G H I J K LrFi M0F> N O P QP R S TV UH V W X Y Z [ \ ] ^ _ ` abcdefghiFoje  kFoo l m* n op q rstu v\wxyz{TO|He}F~  !"#$fe%ee&'()*H+F,-H.F/0H1F23H4F56H7Fr8mat9:;=-<=>men?@ArieBTiC DticEFulaGHulaIBoJKulaLItMNOPQRSTUVWXYZ[\]^_`abcdefghijrFik0F>l mnoPpqrVsHt u vwxyz{ |}~Foe Foo*   \TOHeF feee    H FHFHF  Hnewlink ABSHFILE_def Frnewlink ACCPDATE_def !=-newlink ADC_CORR_defen "newlink AFFILIAT_defTi # newlink ALIASi_def $Gnewlink ANGLESEP_def %Knewlink ANG_SIDE_def &Onewlink ANNPARRA_def 'Snewlink APERAREA_def (Wnewlink APEROBJ_defZ )[newlink APEROFFX_def *_newlink APEROFFY_def +cnewlink APERSKY_deff ,gnewlink APERTOBJ_def -knewlink APERTSKY_def .onewlink APERTURE_def /snewlink APERTURE_def 0wnewlink APERTYPE_def 1{newlink APER_k_def 2newlink APER_ID_def 3newlink APER_POS_def 4newlink ARGPERIG_defoo 5newlink ASA_FILE_def 6 newlink ASD_FILE_def 7newlink ASK_FILE_def 8newlink AST_FILE_defTO 9Henewlink ATODCORR_def :newlink ATODFILE_def ;newlink ATODSAT_defee <newlink BACCORR_def =Hnewlink BACHFILE_def >Fnewlink BACHFILE_def ?newlink BAC_CORR_defFI @fnewlink BADPIXEL_defDA Afnewlink BCK_CORR_defCO Bfennewlink BDEXPFLG_defLI CfTinewlink BIASCORR_defSi D $newlink BIASEVEN_def_d E %newlink BIASFILE_def_d F &newlink BINID_defR Gfnewlink BINIDi_def HA_dnewlink BITPIX_def IROBnewlink BLEVCORR_defin JROFnewlink BLEVDFIL_defin KROFnewlink BLEVFILE_defin LRSKnewlink BLMHFILE_defin MRTOnewlink BRIGHT_def N APnewlink BUNIT_def Olinnewlink CALIBDEF_def Plinnewlink CALIBRAT_def Qlinnewlink CALIBTYP_def Rlinnewlink CAMERA_def Slinnewlink CAMMODE_def Tlinnewlink CARPOS_def Unenewlink CCG2_defoo Vnewlink CCP0_def_d W 6newlink CCP1_defFI Xfnewlink CCP2_defAS YE_dnewlink CCP3_defin Z_FInewlink CCP4_defne [ ATnewlink CCP5_def \linnewlink CCP7_def ; ]nenewlink CCP8_defe ^newlink CCP9_defde _ =newlink CCR1_defFI `fnewlink CCR2_defBA aE_dnewlink CCR3_defin b_COnewlink CCR4_defne c BAnewlink CCR5_def dlinnewlink CCR6_def B enenewlink CCR7_defLI ffTinewlink CCR8_def_d g Dnewlink CCR9_defEV hf_dnewlink CCRA_defBI iE_dnewlink CCRB_defin jID_newlink CCS0_defin kIDinewlink CCS1_defin lPIXnewlink CCS2_defin mVCOnewlink CCS3_defne n BLnewlink CCS4_defOF olinnewlink CCS5_def L pnenewlink CCS6_defin qRTOnewlink CCS7_defef r APnewlink CCS8_deff slinnewlink CDi_j_defd t Pnewlink CDBSDATA_def_d u Qnewlink CDBSFILE_def_d v Rnewlink CIRVELOC_defef wlinnewlink CLKDRFTR_def xlinnewlink CLKRATE_def U ynenewlink CNT_CORR_def zlinnewlink COL_B_V_defne { CCnewlink COL_U_B_deflin |2_dnewlink COL_V_R_def CC }finnewlink COMB_ADD_def_d ~ [newlink COMPTAB_deff linnewlink CONFIG_def nenewlink COSINCLI_def ^ nenewlink CRPIXi_def nenewlink CRVALi_def nenewlink CTYPEi_def nenewlink CVCOFSET_defCO linnewlink DARKCORR_defne  CCnewlink DARKFILE_defin 6_dnewlink DARKRATE_defCC fLInewlink DARKTIME_def_d  gnewlink DATALOST_defEV f_dnewlink DATAMAX_def i nenewlink DATAMEAN_defD_ linnewlink DATAMIN_defne  CCnewlink DATATYPE_defin 2_dnewlink DATA_FMT_defCC fnenewlink DATA_SRC_def_d  onewlink DATA_TYP_def L nenewlink DATE_defin RTOnewlink DATE-OBS_def r nenewlink DCFOBSN_deflin linnewlink DDTHFILE_defne  CDnewlink DEADTIME_defne  CDnewlink DEADTIME_defne  CInewlink DEADTM_def linnewlink DEA_TEMP_defin linnewlink DECAPER1_defne linnewlink DECAPER1_defin linnewlink DEC_APER_defCC linnewlink DEC_APER_def_d linnewlink DEC_APER_defin linnewlink DEC_MOON_def [  linnewlink DEC_REF_deflin  linnewlink DEC_SUN_defne   COnewlink DEC_TARG_defne   CRnewlink DEC_V1_def   CRnewlink DEFAULTS_defin  PEinewlink DEFDDTBL_defCV  T_dnewlink DELAY_defn  KCOnewlink DELTAS_def  DAnewlink DELTA_X_defne  DAnewlink DELTA_Y_defne  DAnewlink DETECTOB_defne  DAnewlink DETECTOR_defne  DAnewlink DETECTSK_defne   DAnewlink DET_CHR_defne   DAnewlink DET_TEMP_defne   DAnewlink DEZERO_def  linnewlink DGESTAR_deffne  linnewlink DIOHFILE_def o  linnewlink DIO_CORR_defne  linnewlink DNFORMT_defne  newlink DOHISTOS_defne   DCnewlink DOPHOTOM_defne   DDnewlink DOPMAG_def  linnewlink DOPPLER_def CD  linnewlink DOPZER_def  nenewlink DOP_CORR_defin  linnewlink DOSATMAP_defin  linnewlink DQ1HFILE_defin  linnewlink DQ2HFILE_defin  linnewlink DQIHFILE_defin  linnewlink DQI_CORR_defin linnewlink DSK_FILE_defin ! linnewlink DST_FILE_defin " linnewlink DWELL_LN_defin # linnewlink DWELL_TM_defCO $ linnewlink ECBDX3_def % nenewlink ECBDX4D3_defCR & linnewlink ECCENTRY_defEi ' linnewlink ECCENTX2_def_d ( linnewlink ECH_CORR_defne )  DEnewlink EPCHTIME_defin * TA_newlink EPLONGPM_defin + TA_newlink EQNX_SUN_defin , ECTnewlink EQRADTRG_defin - ECTnewlink EQUINOX_deflin . ECTnewlink ERRCNT_def /  DEnewlink ERR_CORR_defne 0  DEnewlink ESQDX5D2_defne 1  DEnewlink EXPACKET_defin 2 STAnewlink EXPEND_def 3  DInewlink EXPFLAG_defne 4  DInewlink EXPFLAG_defne 5  DNnewlink EXPFLAG_defne 6  DOnewlink EXPFLAG_defne 7  DOnewlink EXPFLAG_defne 8  DOnewlink EXPOSURE_defin 9 PLEnewlink EXPOSURE_defin : ZERnewlink EXPSTART_defDO ; R_dnewlink EXPTIME_def DO < P_dnewlink EXP_CORR_defDQ = E_dnewlink EXTNCT_V_defDQ > E_dnewlink EX_EFFIC_defDQ ? E_dnewlink E_B_V_defn @ _COnewlink FAINT_defe A  DSnewlink FCHNL_defn B linnewlink FDMEANAN_defin C linnewlink FGSLOCK_deflin D linnewlink FGWA_ID_deflin E linnewlink FILLCNT_defne F  ECnewlink FILTER1_defne G  ECnewlink FILTER2_defne H  ECnewlink FILTNAMi_defne I  ECnewlink FILTNAMi_defne J  EPnewlink FINCODE_defne K  EPnewlink FL1HFILE_defne L  EQnewlink FL2HFILE_defne M  EQnewlink FLATCORR_defne N  EQnewlink FLATDFIL_defne O  ERnewlink FLATFILE_defin P _COnewlink FLATNTRG_defin Q DX5newlink FLT_CORR_defin R ACKnewlink FLX_CORR_defin S ENDnewlink FLX_CORR_defEX T _denewlink FPKTTIME_defEX U _denewlink FP_SPLIT_defEX V newlink F_RATIO_def EX W _denewlink GCOUNT_def X FLAnewlink GEOCORR_deflin Y OSUnewlink GEODEFV_deflin Z OSUnewlink GEOHFILE_defin [ STAnewlink GMF_CORR_defin \ TIMnewlink GOODMAX_deflin ] _COnewlink GOODMIN_deflin ^ NCTnewlink GPIXELS_deflin _ EFFnewlink GRAPHTAB_defin ` _V_newlink GRATING_def FA a efenewlink GRNDMODE_defL_ b B newlink GROUPS_def c finnewlink HEADER_def d _denewlink HEL_CORR_defFG e _denewlink HIGHVOLT_defFI f _denewlink HOFFi_defn g TERnewlink HSTHORB_deflin h TERnewlink HVPSM_defe i  FInewlink IAC_CORR_defne j  FInewlink IMAGETYP_defne k  FInewlink INFOB_defP l linnewlink INFOC_def m nenewlink INSTRUME_def n nenewlink INTOBS_def o  EQnewlink INTS_def_d p O newlink INT_TIME_def_d q P newlink ITFCORR_defG_d r Q newlink ITFHFILE_def_d s R newlink IV1HFILE_def_d t S newlink IV2HFILE_def_d u T newlink IXDEFi_def v fEXnewlink IYDEFi_def w T_dnewlink KSPOTS_def x ATInewlink KXDEPLOY_defin y UNTnewlink KXBFOCUS_defGE z _denewlink KXBXTILT_defGE { _denewlink KXBYTILT_defGE | E_dnewlink KYDEPLOY_defGM } R_dnewlink KYBFOCUS_defGO ~ _denewlink KYBXTILT_defGO  _denewlink KYBYTILT_defGP _denewlink KZDEPLOY_defGR B_dnewlink KZBFOCUS_defGR _denewlink KZBXTILT_defGR !E_dnewlink KZBYTILT_defGR "defnewlink LEDCOLOR_defER #d newlink LEDMODE_defR_d $e newlink LINE_defVO %fFInewlink LINEBEG_defFi_ &g newlink LINEBEG_def_de 'h newlink LINENUM_defefe ( FInewlink LINEOFF_deffne ) FInewlink LINEPFM_deffne * FInewlink LINES_defP +linnewlink LIVETIME_def ,nenewlink LOCATE_def -nenewlink LONGPMER_def .nenewlink LPKTTIME_def /linnewlink MAG_B_def 0nenewlink MAG_R_defd 1Q newlink MAG_U_defd 2s newlink MAG_V_defI 3f_dnewlink MAP_def IV 4E_dnewlink MAP_CORR_defIX 5defnewlink MAP_NUM_defEFi 6w newlink MASKCORR_defef 7ATInewlink MASKFILE_defin 8UNTnewlink MAXCLK_def 9z newlink MAXGSS_def :fGEnewlink MAXWAVE_defYTI ;fGEnewlink MAXWAVE_defEPL <fGMnewlink MDF_CORR_defOC =fGOnewlink MEANANOM_defTI >fGOnewlink MERGED_def ?T_dnewlink MER_CORR_defKZ @Y_dnewlink METER_defn AFOCnewlink MINWAVE_deflin BXTInewlink MINWAVE_deflin CYTInewlink MIR_REVR_defin DCOLnewlink MNF_CORR_defin EMODnewlink MODE_defne F LInewlink MODHFILE_defin GEBEnewlink Modified_defin HEBEnewlink MOD_CORR_defin IENUnewlink MOONANGL_defin JEOFnewlink MTFLAG_def K LInewlink MT_LVi_k_defne L LInewlink MU_DEC_def M LInewlink MU_EPOCH_defne N LOnewlink MU_RA_defe O LOnewlink NAXIS_defe Plinnewlink NAXIS1_def Qnenewlink NAXIS2_def Rnenewlink NBINS_def1 Snenewlink NCHNLS_def Tnenewlink NETHFILE_def_d Ulinnewlink NINIT_defd Vlinnewlink NMCLEARS_defef Wlinnewlink NOISELM_defw  Xlinnewlink NO_LINES_defTI Ylinnewlink NPAT_def 8 Znenewlink NPDECTRG_def  [linnewlink NPRATRG_defne \ MAnewlink NREAD_defE ]linnewlink NSHUTA17_defGM ^linnewlink NXSTEPS_deffGO _linnewlink OBSERVTN_defGO `linnewlink OBSET_ID_defne a MEnewlink OBSINT_def blinnewlink OBSMODE_defne c MInewlink OBSRPT_def dlinnewlink OBSSTRTT_defTI elinnewlink OFFS_TAB_defOL flinnewlink OFF_CORR_defOD glinnewlink OPFORMAT_defne h MOnewlink OPMODE_def ilinnewlink OPTCRLY_defEBE jlinnewlink OPTELTn_defENU klinnewlink ORIENTAT_defOF llinnewlink OUTDTYPE_defne m MTnewlink OVERSCAN_defne n MUnewlink PARALLAX_defin oEPOnewlink PAR_CORR_defin pRA_newlink PASS_DIR_defNA qefenewlink PA_APER_defIS1 r Qnewlink PA_REF_def s Rnewlink PA_V3_def_ t Snewlink PCOUNT_def u Tnewlink PDTYPEi_defE_d v Unewlink PEP_EXPO_deffd wlinnewlink PEQUINOX_defef xlinnewlink PFILTERi_def  ylinnewlink PHCHFILE_defTI zlinnewlink PHC_CORR_def Z {nenewlink PHOTBW_def |linnewlink PHOTFLAM_defne } MAnewlink PHOTMODE_def ] ~nenewlink PHOTPLAM_def ^ nenewlink PHOTTAB_def _ nenewlink PHOTZPT_def ` nenewlink PKTFMT_def  MEnewlink PKTTIME_def b nenewlink PLY_CORR_def c nenewlink PODPSFF_deflin linnewlink POLANG_def nenewlink POLAR_ID_def f nenewlink POSTNSTX_def g nenewlink POSTNSTY_def h nenewlink POSTNSTZ_defin linnewlink PPC_CORR_defin linnewlink PRECISN_deflin linnewlink PREFCORR_defin linnewlink PREFDFIL_defMT linnewlink PREFFILE_defMU linnewlink PREFTIME_defPO linnewlink PRE_AMP_defRA_ linnewlink PROC_TYP_deffe linnewlink PRODTYPE_def Q linnewlink PROGRMID_defne  PAnewlink PROPOSID_defin UNTnewlink PR_INV_F_defPD _denewlink PR_INV_L_defPE O_dnewlink PR_INV_M_defPE X_dnewlink PSIZEi_def LTEnewlink PSTPTIME_defin HFInewlink PSTRTIME_defin _COnewlink PTSRCFLG_defin TBWnewlink PTYPEi_def TFLnewlink PT_EFFIC_defin TMOnewlink PURGCORR_defin TPLnewlink PURGDFIL_defin TTAnewlink PURGFILE_defin TZPnewlink PURGTIME_defin FMTnewlink PXFORMT_def PK _denewlink PXLCORR_def PL R_dnewlink RAD_VEL_def PO _denewlink RASCASCN_defPO defnewlink RA_APER_defAR_ f fnewlink RA_APER1_defNS f gnewlink RA_APER1_defNS f hnewlink RA_MOON_defTNS finnewlink RA_REF_def R_dnewlink RA_SUN_def CISnewlink RA_TARG_deflin FCOnewlink RA_V1_defe  PRnewlink RCARGPER_defne  PRnewlink RCASCNRD_defne  PRnewlink RCASCNRV_defne  PRnewlink REDSHIFT_defne  PRnewlink RETHFILE_defne  PRnewlink ROOTNAME_defne  PRnewlink ROTRTTRG_defne  PRnewlink RPTCDi_def linnewlink RPTOBS_def nenewlink RSDPFILL_def  nenewlink RTAMATCH_def  nenewlink S0INVMAG_defTE linnewlink S0XDIR_def nenewlink S0YDIR_def _COnewlink S0ZDIR_def  newlink SAAAVOID_defef TFLnewlink SAMPBEG_deffin! TMOnewlink SAMPBEG_deffin" TPLnewlink SAMPLE_def#  newlink SAMPOFF_defE_d$  newlink SAMPPLN_defE_d%  newlink SAMPTIME_defde&  newlink SATURATE_defde'  newlink SCAN_ANG_defde(  newlink SCAN_COR_def_d)  newlink SCAN_LEN_defde*  newlink SCAN_RAT_def_d+  newlink SCAN_TYP_def_d,  newlink SCAN_WID_defde-  newlink SCIDATA_defdef. R_dnewlink SCIDMP_def/ CISnewlink SCLAMP_def0  newlink SDECORR_defefe1  PRnewlink SDEHFILE_defne2  PRnewlink SDMA3SQ_deffne3  PRnewlink SDMEANAN_defne4  PRnewlink SEMILREC_defne5  PRnewlink SEQLINE_deffne6  PRnewlink SEQNAME_deffne7  PRnewlink SERIALS_deffne8  PRnewlink SGESTAR_def 9 nenewlink SHTMODE_defne: linnewlink SHUTTER_defne; linnewlink SIMPLE_def< nenewlink SINEINCL_def = nenewlink SKY_CORR_defne> linnewlink SLICES_def? linnewlink SMMMODE_defne@  SAnewlink SOFTERRS_defneA  SAnewlink SOPNTIME_defneB  SAnewlink SPCLINCN_defneC  SAnewlink SPEC_i_defD  SAnewlink SPORDER_defneE  SAnewlink SP_TYPE_defneF  SAnewlink SRCHSIZE_defneG  SAnewlink SS_APER_defneH  SCnewlink SS_CAMMO_defneI  SCnewlink SS_CAMRA_defneJ  SCnewlink SS_DET_defK linnewlink SS_DETOB_def L linnewlink SS_DETSK_def M linnewlink SS_FCHNL_def N linnewlink SS_FGWA_defR_dO linnewlink SS_FILTi_defneP  SCnewlink SS_GRAT_deflinQ CORnewlink SS_LEDMO_definR HFInewlink SS_LINES_definS A3Snewlink SS_LOFF_deflinT EANnewlink SS_MODE_deflinU ILRnewlink SS_NCHNL_definV LINnewlink SS_NXSTP_definW NAMnewlink SS_OPRLY_definX IALnewlink SS_OPTEi_definY STAnewlink SS_OVSCN_definZ MODnewlink SS_PFILi_defin[ TTEnewlink SS_PFTIM_defin\ PLEnewlink SS_POLAR_defSI] L_dnewlink SS_PTSRC_defSK^ R_dnewlink SS_PXFMT_defSL_ defnewlink SS_SAMPS_defOD` nenewlink SS_SOFF_defTERa fnenewlink SS_SHTMO_defTIbfnenewlink SS_SMMMO_defINcfnenewlink STATICD_defC_idD newlink STDCFFF_def_deeE newlink STDCFFP_def_defF newlink STEPPATT_def_dgG newlink STEPTIME_defdehH newlink SUNANGLE_def_diI newlink SUN_ALT_defA_djJ newlink SURFALTD_defefk linnewlink SURFLATD_def l linnewlink SURFLONG_def m linnewlink SURF_B_defn N newlink SURF_R_defo R_dnewlink SURF_U_defpi_dnewlink SURF_V_defqGRAnewlink T51_ANGL_definrLEDnewlink T51_RATE_definsLINnewlink TARAQMOD_defintLOFnewlink TARDESCR_definuMODnewlink TARGCAT_deflinvNCHnewlink TARGDIST_definwNXSnewlink TARGNAME_definxOPRnewlink TARKEYi_deflinyOPTnewlink TAR_TYPE_definzOVSnewlink TECTEMP_deflin{PFInewlink THRESH_def| SSnewlink TIME-OBS_defne} SSnewlink TIMEBIAS_defne~ SSnewlink TIMEFFEC_defne SSnewlink TRAILER_defne SSnewlink TRK_TYPE_defne SSnewlink TRUE_CNT_defne  SSnewlink TRUE_PHC_defne! SSnewlink TUBEGAIN_defne" STnewlink UNICORR_defne# STnewlink UNIHFILE_defne$ STnewlink UNITAB_def%linnewlink UTC0_def&nenewlink UTCO1_defe'H newlink UTCO2_defd(inewlink V2APERCE_defde)jnewlink V3APERCE_def_d*k newlink VAC_CORR_def_d+l newlink VDATAFMT_def_d,m newlink VELABBRA_defef-N newlink VELOCSTX_def .nenewlink VELOCSTY_def_d/linnewlink VELOCSTZ_defne0 T5newlink VFAPVECX_defne1 T5newlink VFAPVECY_defne2 TAnewlink VFCENVEX_defne3 TAnewlink VFCENVEY_defne4 TAnewlink VFCTVECX_defne5 TAnewlink VFCTVECY_defne6 TAnewlink VFFTVECX_defne7 TAnewlink VFFTVECY_defne8 TAnewlink VFOBJCNT_defne9 TEnewlink VFOCUS_def:linnewlink VFOCUSn_defne; TInewlink VFOCUSD_defne< TInewlink VFOCUSDn_defne=newlink VFPFACTX_defne> TRnewlink VFPFACTY_defne? TRnewlink VFSLWVEX_defne@ TRnewlink VFSLWVEY_defneA TRnewlink VFTAVERR_defneB TUnewlink VGAIND_defClinnewlink VGAINDn_def STDlinnewlink VGAINDS_def STElinnewlink VHDEFLn_defneF UTnewlink VHORIZ_defG UTnewlink VHORIZn_deflinHO2_newlink VHORSTPT_defV2IE_dnewlink VHPOINTS_defV3JE_dnewlink VIGHFILE_defVAKR_dnewlink VIG_CORR_defVDLT_dnewlink VNOINTPT_defVEMA_dnewlink VOFFn_defnNOCSnewlink VREQDET_deflinOOCSnewlink VSKYDET_deflinPOCSnewlink VVERSTPT_definQPVEnewlink VVERT_defeR VFnewlink VVERTn_defSlinnewlink VVPOINTS_defTATlinnewlink VXMOON_defUnenewlink VXSUN_defeV TAnewlink VYMOON_defW6newlink VYSUN_defEXfnenewlink VZMOON_defYY_dnewlink VZSUN_defnZBJCnewlink WAVCORR_deflin[CUSnewlink WAV_CORR_defVF\_denewlink WBLDASNR_defVF]_denewlink WBLDBSNR_defVF^n_dnewlink WCANLTIM_defVF_X_dnewlink WEXPOCMD_defVF`Y_dnewlink WEXPODUR_defVFaX_dnewlink WEXPOTIM_defVFbY_dnewlink WEXPTMHI_defVFcR_dnewlink WFCSTAT_def VGddefnewlink WFOCTMnn_defNDe STnewlink WORDS_defGf_denewlink WRD11_14_defVHg_denewlink WSCALE_defhRIZnewlink WTIMEXPO_defVHi_denewlink WWCANCM_def VHjT_dnewlink WWLOGOF_def VHkS_dnewlink WWSCAP_deflHFInewlink WZERO_defem VInewlink XBASE_defdnlinnewlink XDEF_defMonenewlink XEXPTMnn_defCSplinnewlink XMOON_defOqnenewlink XPITCH_defrOCSnewlink XSUN_def_dsQnewlink X_OFFSET_deffet VFnewlink Y1STCHNL_defSunenewlink YAQMD_defAvlinnewlink YBASE_deffwnenewlink YDATALIM_defVxnenewlink YDEAD_defWynenewlink YDEF_defXznenewlink YINTEG_def{nenewlink YLINSFRM_defJC|linnewlink YLIVE_def[}nenewlink YMCLEARS_def\~nenewlink YMOON_defF_denewlink YMSLICES_defVFn_dnewlink YNOISELM_defVFX_dnewlink YNUMCHNL_defVFY_dnewlink YOVRSCAN_defVFX_dnewlink YPITCH_defbnewlink YPOS_defTMfVFnewlink YPTRNS_def_denewlink YRANGE_defCTMnewlink YREADCYC_definDS_newlink YSPACE_def11_newlink YSTEP1_def WSnewlink YSTEP2_def WTnewlink YSTEP3_deflinnewlink YSTEPS_defnenewlink YSUN_defVHS_dnewlink YTYPE_deffHFInewlink YWRDSLIN_defmnenewlink YXBASE_defnenewlink YXPITCH_defnelinnewlink YXSTEPS_deflinlinnewlink YXYDFTMP_defne XPnewlink YYBASE_def XSnewlink YYPATH_def X_newlink YYPITCH_defne Y1newlink YYSTEPS_defne YAnewlink Y_OFFSET_definSE_newlink ZACMODE1_defYDM_dnewlink ZDOPMAG_def YDefWnewlink ZFLUXM_deffXnewlink ZFSPYBF_defTEG{newlink ZFXMAPC_defM_d|newlink ZFYMAPC_defef[nenewlink ZINTPER_deff\nenewlink ZLCOEF1_defnenewlink ZLCOEF2_defnenewlink ZMOON_defFX_dnewlink ZSCOEF1_deffVFY_dnewlink ZSCOEF2_deffVFX_dnewlink ZSCOEF3_defnenewlink ZSCOEF4_deffVF linnewlink ZSPYBALU_defne  YRnewlink ZSPYBLU_deflin ADCnewlink ZSRCHLCE_defin ACEnewlink ZSRCHLCF_defYS defnewlink ZSUN_defYSdefnewlink ZTREFH_defdefnewlink ZXDCALP_defEPSnewlink ZXDCALU_deffVHS_dnewlink ZYDCALP_defnenewlink ZYDCALU_defne previouslink!TC<$lastpagenum>in<$monthname> <$daynum>, <$year>T"<$monthnum>/<$daynum>/<$shortyear>XS;<$monthname> <$daynum>, <$year> <$hour>:<$minute00> <$ampm>n"<$monthnum>/<$daynum>/<$shortyear>_d<$monthname> <$daynum>, <$year>"<$monthnum>/<$daynum>/<$shortyear>in <$fullfilename>e  <$filename>G  <$paratext[Title]>de  <$paratext[Heading]>  <$curpagenum>lin  <$marker1> <$marker2>EF (Continued)Pagepage<$pagenum>nHeading & Page <$paratext> on page<$pagenum>neSee Heading & Page%See <$paratext> on page<$pagenum>.e Table & Page7Table<$paranumonly>, <$paratext>, on page<$pagenum>L+ (Sheet <$tblsheetnum> of <$tblsheetcount>)e wwPeinxxPefyyPHefzzPnZX{{QA||QLAe}}Pein~~PQYALQeAr55P KTCJ$laK>inI$moI<$dJ$yeK"Im>/I/<$I>XSJ$moQ<$dQ$yeRr>:Q0> RQthnRnumSyeaS$moe>SynuyeSmoSm>/umShorinSfiSe>e Sena S$pa[TS>deSatediS cuSnum S$maS erSCoSed)QPaR<$pSinSagearS> eSenuS He& S%SearS> eQenuR TaQe7RaraQ <R>,Q<$pRSet heQ> oReetQR SwinSPSySefSzPnQ{RQ|QLRQinR~QRQYQRArQ5RQTCR$laQ>inR$moS<$dJS"SIS/<$ISmoSQS$yeRQRQRSeaSmoSe>nuSyeSmo>/SumorSinSfi>eS naS paS[TdeSteSdiQcuRQ$maRSQerRQed)RQQRRQinRQ> RSQRQ%Se RS Qe R Q RQRQRQRQ> oReetQR QwRSQPRQefRSQR Q!R"Sin#SR$SR%S&SR'S5R(STC)SR*Q>in+R$mo,Q<$d-RS.Q"/R0Q/<$1RS2Qmo3R4Q$ye5RQ6QR7RQ8QR9RS:Qea;R<Qe>=RS>Smo?S>/um@SorinASfiBQ>eCRDQ ERSFQdeGRHQdiIRQJQRKRQLQRMRQNQRORQPQRQRQRQRSRQTQRURQVQRWRQXQRYRQZQ R[R Q\Q R]R Q^Q R_RQ`QRaRQbQRcRQdQReRQfQRgRQhQRiRQjQRkRQlQRmRQnQRoRQpQRqR QrS!RsSintSRuSRvSwSRxS5RySTCzQR{R*Q|Q+R}R,Q~Q-RR.QQ/RR0QQ1RR2QQ3RR4QQ5RR6QQ7RR8QQ9RR:QQ;RR<QQ=RR>SQmoRQorRASSfi>eQCRRDQQERRFQQGRRHQQIRRJQQKRRLQQMRRNQQORRPQQQRRRQQSRRTQQURRVQSWRQRRQQ RR QS RRSRS_RSRRSRScRQRRQQRRQQRRQQRRQQRRQQRRQQRR QQ!RRsSQinRQRvSQRQ5RySQTCRQRQRQRQRQRQRQRSRSRS;RRSRSRQmoRQorRASQfiRQQRRQQRRQQRRQQRRQQRRQSRQORRPQQQRRRQSSRRQRSRQRQRQRQRSQRQRSQRQ R SR SR SRR SRSRSRRQRQRQRQRQRQRSTCQRRQQR RQ!QR"RQ#QR$RQ%QR&RQ'QR(RQ)QR*RQ+SR,SR-SR.S;RR/SR0SR1SmoR2Sor3SR4Qfi5RQ6QR7RQ8QR9RQ:QR;RQ<QR=RQ>QR?RQ@QRARQBQRCRQDQRERFQRGRHQIRJQKRLQMRNQORPQQRSRQSRTSRUSVSRWSRXSYSRRZSR[SR\SRR]SR^SR_QR`RQaQRbRQcQRdRQeQRfRQgQRhRQiQRjRSkQTClRmQnRoSRpQ"RqR#QrS$RsQRtRQuQRvRQwQRxRQyQRzR,S{QR|R}Q;R~R/SQRRQmoR2SQorRSfiRSRS7RSRRSRS;RSRRQRSRSARSRRSRQERRFQQGRRHQQIRRJQQKRRLQQMRRNQQORRPQQQRRRQQSRRTSQRRSRSRSSRRSRSRSRRSRSRSRRSRSbRQRRQQRRQQRRQQRRSQTCRQRSRS"RRSRSRStRSRRQRQRQRQRQRQRSorQRRSQRRQ7RRSQRRQ;RRSQRRQRQARRSQRRQERRFQQGRRHQQIRRJQQKRRLQQMRRNQQORRPQQQRRRQSSRRSRSRSRSRSSRRSRSRSRRSRSRSRRSRSbRSRRQRSRSRSRRSTCSRSRSQR R Q RS QR RQRRQQRRQQRRQQRRQQRRQSRSRSSorRSRSRRSRQR RQ!QR"RQ#QR$RQ%QR&RQ'SR(SARR)SR*SR+SERR,Q-R.Q/R0Q1R2Q3R4Q5R6Q7R8Q9R:Q;RS<Q=R>Q?RS@QARBQCRSDQERFQGRSHQIRJQKRSLQMRNQORPQQRSRQSRTQURSVQWRXQYRQZQ R[R Q\Q R]R Q^Q R_RQ`QRaRQbQRcRQdQReRQfQRgRQhQRiRSjQkRlQmRSnQRoRpQRqRSrQRsRtQuRvQwRxQyRzQ{R|QAR}R)S~SRRSRSRS-RSRSS1RSRSS5RSRSS9RQRSQRQRSQRQRSQRQRSQRQRSQRQRQRSQRQRSQRQRQQ RR QS RRQRQRQRQRQRSRQiRRjQQkRRlQQmRRnQQoRRpQQqRRrQQsRRtQQuRRvQQwRRxQQyRRzQQ{RR|QQ}RR~SQRRQRRSQRQRSQRQRSQRQRSQRSQRRQQRRQQRRQQRRQSRSRSSRSRSQRRQQRRQQRRQQRRQQRRQQRRQQRRQQRRSQRRQRQRQRQ R Q R QiR RjQQkRRlQQmRRnQQoRRpQQqRRrQQsRRtQQuRRvQQwRRxQQyRRzQQ{RR|Q Q}R!R~S"SRR#SERR$SR%SR&S'SR(SR)S*SR+Q,R-Q.RS/SR0S1SR2SR3SRR4Q5R6SR7SR8SR9SR:S;SR<SR=S>QR?RQ@QRARQBQRCRQDSRRESRFSRGSRRHSRISRJSRRKSRLSRMSRNSOSRPSRQSRS RSSRTSRUS RVQkRWRlQXQmRYRnQZQoR[RpQ\QqR]RrQ^QsR_RtQ`SuRRaSRbSRcSyRRdQeRfQgRhQiRjQERkR$SlSmSRnSRoSpSRqSRrSsS,RtQuRSvQwR0SxQyRzQR{R3S|QR}R~QRQRR8SQRQR;SQRQR>QQ?RR@QQARRBQQCRRDSQRRSRSRRSRSRSRRQRLSSSRSRSSRQRSRSRQ RRVQQWRRXQQYRRZQQ[RR\QQ]RR^QQ_RR`SQRRSRSyRRQRQRQRQERR$SQRmSQRQRpSQRQRsSQRQRQRQRQRQRQRQRSSRSRSSRS?RRQRQRSRSRSRSRRSRQRRSQRRQRQRRSQRRQRRQQRRSQRRQ RRVQQWRRXQQYRRZQQ[RR\QQ]RR^QQ_RR`SQRRQRRSQRRQRQR Q R Q R QRQRQRQRQRQRQRQRQRQ R!Q"R#Q$R%Q&R'QR(RS)QR*R+QR,RS-QR.R/Q0R1Q2R3QR4RS5Q6R7Q8RQ9QR:RQ;QR<RQ=QR>RQ?QR@RQAQRBRQCQRDRQEQRFRQGQRHRQIQRJRQKQRLRQMQRNRQOQRPRQQQRRRQSQRTRQUQRVRQWQRXRQYQRZRQ[QR\RQ]QR^R Q_Q R`R QaQ RbR QcQRdRQeQRfRQgQRhRQiQRjRQkQRlRQmQRnRQoQRpRQqQRrRQsQRtRQuQ RvR!QwQ"RxR#QyQ$RzR%Q{Q&R|R'Q}Q(R~R)QQ*RR+QQ,RR-QQ.RR/QS0RSRSRQ4RR5QQ6RR7QQ8RR9QQ:RR;QQ<RR=QQ>RR?QQ@RRAQQBRRCQQDRREQQFRRGQQHRRIQSJRSRRSRSNRQRRQQRRQSRRSRSVRSRRSRSZRSRRSRS^RQ RR QQ RR QQRRQQRRQSRRSRSjRSRRQRQRQRQRQRQRQRQRSRS~RS*RRSRSRS.RRSRSSRQRRSRSRS8RRSRSRS<RRSRSRS@RRSRSRQDRREQQFRRGQQHRRIQQJRRSQRRQNRRQQRRQQRRSQRRQVRRSQRRSZRSRRSRS^RS RRQRQRQRQRQRSQRQ R Q R Q RQRQRQRQRQRQRSQRQRSQR Q!RS"Q#R$QR%R&Q'RS(Q)R*Q+RS,SR-SR.SRR/SR0SR1SRR2Q3R4Q5R6Q7R8Q9R:Q;R<Q=R>Q?R@QARBQCRDQERFQGRHSRISRJSRKSRRLSRMQRNROSPSRQSRRSSSRTQURSVQWRXQYRZQ[R\Q]R^Q_R`QaRbQcRdQeRfQgRhQiRSjQkRlQmRSnQoRpQqRSrQsRtQRuRvQwRSxQyRzQ{RS|SR}SR~QRR/SQRRQRR2QQ3RR4QQ5RR6QQ7RR8QQ9RR:QQ;RR<QQ=RR>QQ?RR@QQARRBQQCRRDQQERRFQQGRRHSQRRQRRKSQRRQRRQRPSQRQRSSQRQRQRQRQRQRQRQRQRQRQRQRQRQRQRQRQRQRQRQRQRQRR~QQRRQQRRQQRRQQRRQQRRQQRRQQRRQQRRQQRRQQRRQQRRQSRSERRSRSRQRRQRRKSQRRSRRSQRRQQRRQQRRQQRRQQRRQQRRQQRRQQRRQQRRQQR RQ QR RQ QR RQQRRQQRRQQRRQQRRQQRRQQRRQQRRQQRRQRR UQuUduQw|QdvR}5RH$ wxu QH$ RUU`Q RHz xwyu QHz RUU`Q H$ yxzu SH$ RUU`S Hz zy{u Hz RUU`Q RHH{z|u QHHR`Q HH|{u HHRR` RH$ }~v QH$ RUU`Q RHz ~}v QHz RUU`Q HH~5v HH` dH3K ^ H RH RFootnoteHqv? ^ HzHz Single LineRH'FootnoteS   HvDf ^ HH Double LineH  R Double LineQ H  R Single LineQ RHZQ TableFootnoteEGX-Rb ^ QEPoEPo TableFootnotedHH HH,K` #UT UT`Keyword Definitions v=UR UThABSHFILE  L Si]Absolute Sensitivity Files (ABS): The absolute sensitivity scale files contain data that are X\used to perform HRS absolute flux calibration. These files are used in conjunction with the dZHRS wavelength net files that specify the wavelength net (grid) used for interpolation of p^absolute sensitivity scale values. Absolute sensitivity files contain two groups of data that |Wcorrespond to the large and small apertures of the HRS. Because the HRS wavelength net ]files contain the wavelength net corresponding to these sensitivity values it is not assumed Fb^that the spacing between wavelength values is uniform. Data in the absolute sensitivity files @are stored in REAL*4 format. UP UThACCPDATE  `$proposal acceptance date (yyyyddd): UTUN UThorADC_CORR !  Zapplication of dispersion constants: Convert the sample positions on the photocathode to onUwavelengths by applying the dispersion constants using tables ccr5, ccr6, and ccr7 . Ucontaining spectral order, dispersion, and thermal constants. This routine computes  (`spectral orders and wavelengths. For first order gratings, the spectral order is set to 1. For se"@ntLechelle gratings the spectral order is computed by the following formula: sm0`he&order = NINT( numerator/ denominator) >`"numerator = b*A*sin((C-carpos)/B) L`es+denominator = ydef-a-d*A(sin((C-carpos)/B) Z` tWhere: bh`vaNINT is the nearest integer, sv`fiA,B,C are in table ccr5, r` fa,b,d are in table ccr5, `&carpos is the carrousel position, and  UN1ydef is the Y-deflection adjusted for the proper @is aperture s e 2And: The wavelengths are computed by solving the th3dispersion relation for wavelength using Newtons ccr.8iterative method. The dispersion relation is described n,@anby the following equation: `sp3s = a0 + (a1*m*w) + (a2*m*m*w) + (a3*m) + (a4*w) + ngs`er(a5*m*m*2) + (a6*m*w*w) `llWhere: t` im is the spectral order, $`w is the wavelength, I2`om.a0,a1,.. are the dispersion coefficients, and @`s is the sample position. N`(( (calguide) hUL UTh tAFFILIAT " w NI^observer organization or affiliation:  Obtained directly from the cover page of the proposal @leform: drrHH flHH*is`GO = general observer, ave`edAR = archival researcher, $`on%IDT = investigation definition team, s2`"IS = interdisciplinary scientist, @`scSCI = ST Science staff, anN` eESA = european space agency, p\`) 2MOC = mission operation contractor. (qpersonnel) uUT UTh ( ALIASi  #  WhXsynonym for target name: (i=1..2)  In addition to the catalog name, a target should be elZassigned at most  two common names, or aliases. These might include the Bayer  (Greek-Wletter) designation or Flamsteed number with the standard  three-letter constellation erv aVabbreviation (eg, ZETA-CAP, 22VUL),  the Bright Star Catalog number (eg, HR5270), or Lother names, if they  exist (eg, CYG-X1, BARNARDS-STAR, PROXIMA-CEN). Star [clusters,  nebulae, galaxies, and clusters of galaxies should be assigned  commonly used  aDnames (eg, HYADES, OMEGA-CEN, CRAB-NEBULA, ABELL63,  COMA-CLUSTER) on@Cor Messier numbers (eg, M13, M31, M67).  (PROP_INST--SEC_5.TEX;1) = UR UThanANGLESEP $  an[target angular separation in arcsec. user input if qextpf=t. computed from target position UT SiZ(qtara2, qtadc2) and computed target position (qexcra, qexcdc) if qextpf=a. together with ouXthe position angle this field specifies offset data from the referenced target position ht%@ H(qtara2,qtadc2) in polar coordinates (1 x 10e-3 precision). [qexposure] t?UP UThe-ANG_SIDE % N Y(0.,360.) angle between sides of scan parallelogram clockwise angle, about the beginning ,Z]of the first scan, from the direction of the first scan to the side of the scan parallogram. f@, "(1x10e-04 precision). [qexposure] UN UThe ANNPARRA &  \par. shift in position, non-solar sys target: the magnitude of the parallactic shift in the @erEposition of the non-solar system target at the time of observation. ` [qobservation.annparra] taUL UThatAPERAREA '  f=`aperature area:  Area of the aperture used, in square arc seconds. This keyword is  filled by it@c)Ccalibration software only when the target is an extended  source. thiUJ UThofAPEROBJ  (  et_si object aperture id: SI object aperture and coordinate system id; specifies the aperture and xpo\coordinate system of the instrument to be used for the observation of the target. It is the ra aZaperture id concatenated with the aperture coordinate system id. These ids are defined in +@ofDST_ICD_26 part III.  WFPC: W//[WF|PC]//aperture//summode, where: ex9` aperture: ALL (for ALL or ANY); G`ft4ND (for ALL-ND); U`e 1,2,3,4; fc`hisummode: S (for mode= 2x2); erq`1WFLOOD: if mode=UVFLOOD;[qobservation.coord_id] dn.HH HHer'se UT UThecAPEROFFX )  it^x component of offset of object in aperture (arcsec): X component of the offset of the target $AP^from the center of the aperture. If coord_typ = SIAS, then units are pixels;  if coord_typ = 0@e "SICS, then units are arc-seconds. JUR UThm APEROFFY * Y he^y component of offset of object in aperture (arcsec): Y component of the offset of the target ee ]from the center of the aperture. If coord_typ = SIAS, then units are lines;  if coord_typ = Cq@de"SICS, then units are arc-seconds. UP UThLLAPERSKY  +  4NYsi sky aperture id: SI sky aperture and coordinate system id: specifies the aperture and Ycoordinate system of the instrument to be used for the sky background light observations _in conjunction with the observation of the target. It is the aperture id concatenated with the UT@APLaperture coordinate system id. These ids are defined in ST_ICD_26 part III. (aUN UTht APERTOBJ , `aperture in use - object data: theUL UThd_APERTSKY - ` aperture in use - sky data: *UJ UThniAPERTURE . 9`)name of the aperture used for this file: SUH UTht APERTURE / b`coaperture name: fse|UF UThAPERTYPE 0 `of:SIDS/SIAS/SICS ... aperture coordinate system type where `7SIDS = si detector system, a coordinate system derived UT SK4from si readouts in the science or engineering data ky@distream; m  ap8SIAS = si aperture system, a coordinate system based on i@edthe he`ghaperture or fov of the si;  on9SICS = si corrected system which in general differs from c@hethe `ap2sias by removal of distortions and scale changes. `II[qexposure.coord_type] AP+UD UTh APER_k  1 p:`je(TYPE=C*15 instrument aperture: (k=1..4)  TUB UThAPER_ID  2 c`The entrance aperture id: E q` A-14.3 o`d A-20.5-PAIR d apHH HH/S&CS`diA-30.25-PAIR whe`A-40.1-PAIR $` c B-10.5 y2` B-20.3 @`ou B-31.0 cN`ngB-4 \`diC-11.0-PAIR j`SIC-20.25x2.0 x` C-32.0-BAR o`C-40.7x2.0-BAR `tuERRerror(tguide 7.0-11) UT UTh =APER_POS 3 `raaperture used: UR UThthARGPERIG 4 `re*argument of perigee (revolutions/second): UP UTh[qASA_FILE 5 `area scan analog is present: (UN UTh=CASD_FILE 6 7` area scan digital is present: QUL UThASK_FILE 7 `` analog sky science is present: zUJ UThA-AST_FILE 8 ` analog star science is present: apUH UThATODCORR 9  TDo A-to-D correction: YES, NO, DONE: Replace each pixel with the appropriate value R Yfrom the AtoD correction lookup table. The name of the lookup table must be provided in 1Rthe keyword ATODFILE. The AtoD table may consist of multiple lookup tables. The Zlookup table whose temperature is closest to the value of the input science image header @UT)keyword WBA3PCTM is selected. (calguide) UF UTh uATODFILE :   ERXA-to-D Lookup Tables Files (A2D): The A-to-D lookup table files are used to correct the [q\image data for a pattern introduced by the Analog to Digital converter electronics. This is #n Wdone by replacing the short integer pixel values obtained from the WF/PC with floating sci/@Ypoint values that remove the systematic degradation introduced by this hardware problem. pIUD UThATODSAT  ; X` +number of "AtoD saturated" pixels (DQF=8): ce rUB UTh e BACCORR  <   Ybackground subtraction correction: Subtract dark-count images. The dark-count reference dwotaHH HH=*se osafile multiplied by the exposure time is subtracted from the input science file. The dark-count t UF`file is a full-frame image (512 x 1024 or 1024 x 1024), so if the science file is smaller than l @ arUfull frame, only the appropriate section of the dark-count file is used. (calguide) e9UT UTh  cBACHFILE = H  XBackground (Dark Count) Files (BAC): The background files contain data used to subtract wT Zdark count from FOC science images. It is used for the background calibration. Background ` UD[data files contain one group of data. Every background data file has the same format as an 8):l  Vimage. It is either a 1024 sample by 1024 line image for use with normal pixel format x ThWimages, or a 512 sample by 1024 line image for use with zoom pixel format images. Each H Zpixel in the background data file is a single-precision real (REAL*4) count rate value in @ sucounts per second. frUR UThceBACHFILE >  VBackground Files (BAC): FOS background reference files contain the default background  lUdata used during background subtraction (spectroscopy ground software mode) for both i@ eobject and sky spectra. FIUP UThBAC_CORR ?  FiRbackground subtraction: Subtract the background from sky and object spectra. The FObobserved background is first repaired; bad points (i.e., points at which the data is flagges as ro^lost or garbled in the telemetry process) are filled by linearly interpolating between "good 24[neighbors". Next, the background is smoothed with a median, followed by two iterations of a 5*li`a mean filter before subtraction. Filter widths are contained in table ccs3. If no background un6[was taken, a default reference background, bachfile, is used. No smoothing is done to the URB@BA_reference file background, if used. This is a spectroscopy mode calibration step. (calguide) the\UN UThd BADPIXEL @ k`ri)number of "generic bad" pixels (DQF=32): uUL UThfoBCK_CORR A  ctUbackground removal: Subtract the background counts from the raw counts of the diode dtr\array. This routine subtracts the background by one of four methods. The first applicable ibaZmethod is used. (1) Subtract sky spectra (header keyword BINID of 5 or 6). For this case  pWthe background is smoothed by a median filter followed by a mean filter. (2) Subtract rs"roYinterorder from main diode array. (header keyword BINID of 3 or 4). For this case, the abtYbackground is smoothed by a median filter followed by a mean filter. (3) Use background auWdiodes from separate substep bins with header keyword BINID between 8 through 15. The @le^diodes to use are selected on the basis of the value of BINID. (4) Use all background diodes @ 2from the same bins as gross spectrum. (calguide) UJ UThULBDEXPFLG B `bus director expander flag: em7UH UThe BIASCORR C F ntZDo bias correction: YES, NO, DONE: Subtract the bias image reference file from the input Re Zscience image. The names of the bias image and its DQF must be provided in the keywords ^@ o"BIASFILE and BIASDFIL. (calguide) xUF UThndBIASEVEN D dn s"HH frHH o( 4 tBTYPE=R*4 INSTRUMENT=WFP FILETYPE=SCI UNITS=  Bias level from EED  fXextended register Information garnered from columns 3-14 of the extracted engineering ea  bY(.x0h) file. Note that the BIASEVEN value should be the mean of columns 3,5,7,9..., and o,IDSthe BIASODD value should be the mean of columns 4,6,8,10,...---i.e., the overscan ect8@UJJcolumns are 180 degrees out of phase from the science image. (opr.21796) QUT UThBIASFILE E ` ZBias Files (BAS): The structure in the electronic bias is removed by subtracting the bias l]reference file (with its accompanying data quality file). The most notable component of this oxTstructure is a 0.6 DN even/odd column pattern. The BIASDFIL is the name of the bias @#frame reference data quality file. UR UTh BINID  F `binid: oUP UTh  BINIDi  G R`!FIbin id of substep i where: f`" 0 = no data, d`#1 = star small aperture, 3`$ed2 = star large aperture, `%il3 = upper interorder, `&th4 = lower interorder, *`'5 = sky small aperture, va8`(me6 = sky large aperture, .-F`)an 7 = dark cur `UN UTh*ar BITPIX  H uo`+hebits per data value: 7UL UTh,BLEVCORR I  -XDo bias level correction: YES, NO, DONE: Determine the global bias level from the mean b-_of the extended register pixels in the extracted engineering data file (.x0h) and subtracted s o-Vfrom each pixel in the input science image. Only pixels not flagged in the extracted -Xengineering DQF (.q1h) are included in the averaging. The names of these files must be @-UP3i = internal, `?Fie = external. `@itset if qextyp_type = cal. O`Apr[qexposure.calibr_typ] e eUL UThB p CAMERA  R   CpuXcamera in use: WF (wide-field), PC (planetary): This indicates which of the two cameras unCn Qwas used to obtain the scientific data. The possible values are WIDE-FIELD and T$@CHT PLANETARY.[qexposure.camera] >UJ UThDCAMMODE  S M ERcoronographic apodizer mask: INBEAM, NOTUSED:  In the FOC/288 configuration, the YEfoVOCC Mode uses the f/96 camera with  the compact Cassegrain assembly and an apodizing eEURZmask. The 0.4-arcsec  occulting finger is used to produce a Lyot-type coronagraph. The  qEUTS0.8-arcsec occulting finger is not available in this Operating Mode.  (PROP_INST--h<}@E SEC_8_2.TEX) =UH UThFra CARPOS  T `G>carrousel position: UF UThHe CCG2  U  IseYpaired pulse correction: Paired-pulse correction table. Deadtime constants are used to BI ]correct for the non-linear channel response of each diode. These constants are not expected hI]to change during the lifetime of the FOS. Analysis of prelaunch data indicate that the same a@IC:constants can be used for both FOS detectors. (calguide)  UD UThJ CCP0  V  KodVAperture Areas Relation: A CDBS table containing the names and areas of all the HSPs (K96Xapertures and are used by the HSP calibration. Each entry contains an aperture name and . 4Kcc[an aperture area, which is used to convert HSP count rates into count rates per square arc-sec@K=Xsecond. This information is loaded only from the Project Data Base Tape. See ICD-47 for =L@Krafurther information. fUB UThLou CCP1  W u Me WHigh Voltage Factor Relation: A CDBS table containing the coefficients and base values ablMnt]used in computing the high voltage detector characteristic for the HSP calibration. Each set .d htoHH FHHha,saMIVof base values and coefficients corresponds to a particular HSP detector high voltage M^setting (command value), and data type. In each set there are a base value, a reference time, @MK>a reference temperature, and sixteen polynomial coefficients. 9UT UThNre CCP2  X 4H OanWGain Factor Relation: A CDBS table containing the coefficients and base values used in secTO=\computing the gain detector characteristic for HSP calibration. Each set of base values and `OfuZcoefficients corresponds to a particular HSP detector and a gain setting (command value). lOCD[In each set there are a base value, a reference time, a reference temperature, and sixteen ng x@Oetpolynomial coefficients. eUR UThPEa CCP3  Y  QSPre Amp Relation: A CDBS table containing the coefficients and base values used in QYcomputing the pre-amplifier detector characteristic for the HSP calibration. The PRE AMP aQh adetector characteristic is the contribution to the digital count rate or analog current from the vQtiVelectronics. Each set of base values and coefficients corresponds to a particular HSP QreZdetector and data type. In each set there are a base value, a reference time, a reference @Qva2temperature, and sixteen polynomial coefficients. UP UThRac CCP4  Z HSP S sVEfficiency Relation: A CDBS table containing the coefficients and base values used in SgaTcomputing the efficiency (relative sensitivity) detector characteristic for the HSP a SreVcalibration. Each set of base values and coefficients corresponds to a particular HSP *SCC_aperture and detector. In each set there are point and extended base values, a reference time, bas6@S>a reference temperature, and sixteen polynomial coefficients. PUN UThTHS CCP5  [ . T_ UVDark Count Relation: A CDBS table containing the coefficients and base values used in kU t]computing the dark count characteristic for the HSP calibration. Each set of base values and awUScoefficients corresponds to a particular HSP dark aperture, a high voltage setting encUe X(command value), and data type. In each set there are a base value, a reference time, a ac@U UTh tDATA_FMT  w`he*data format: byte, word, lwrd, alog, all: dO!raHH isHHty# UT UThfiDATA_SRC  ` #data source: star, sky, area scan: ode2UR UTh cDATA_TYP  A`tsdata type: digital, analog: [UP UThth DATE   soj`UJ'date this file was written (dd/mm/yy): UN UThe DATE-OBS   DAaUT date of start of observation (dd/mm/yy):  Note that this is not necessarily the start of the AYexposure.  For example, the WFPC observation starts on a major frame  pulse, while the @ vVexposure actually starts 16.4 seconds later  following a memory erase. See EXPSTART. UL UTh tDCFOBSN   `DADCF observation number in SHP: daUJ UThy:DDTHFILE    \Disabled Diode Files (DDT): The disabled diode files contain a disabled diode table for use  @Pin the standard case reduction when the Unique Data Log (UDL) is not available. #UH UThUTDEADTIME  2`3accumulator close time (units of 7.8125 microsec): odeLUF UTh cDEADTIME  [ tsaCorrect dead time. This switch applies only to digital data; if the data is analog, this switch g@ddJhas no effect. The following equation is used to correct for dead time: u`rvx = y/(1-y*t) ` iWhere: ss` tx is the true count rate, `pl"y is the observed count rate, and `e,t is the dead time. (calguide) VexUD UThar DEADTM    a _deadtime:  Deadtime used in calculating pair-pulse correction for digital data,  in seconds. tio@da[This keyword is filled by the calibration software only  for digital data files. (calhsp) ablUB UThtaDEA_TEMP   `(DEA temperature of the object detector: r%U@ UThUnDECAPER1  4`le#declination of the aperture (deg):  NU> UThDECAPER1  ]` 7#declination of the aperture (deg): cwU< UThDEC_APER  dpp"atHH itHHhe#wi`ed#declination of the aperture (deg): !UT UTh-yDEC_APER  0`ss#declination of the aperture (deg): ounJUR UThDEC_APER  Y`ra#declination of the aperture (deg): e dsUP UThe)DEC_MOON  ` 8declination of moon in geocentric J2000.0 coordinates. cu`co[qobservation.declmoon] UN UThDEC_REF    fiOdeclination of the reference target position. This is in heliocentric J2000.0. UT@TEobservation.ref_obj_dec] (DEUL UThheDEC_SUN   `7declination of sun in geocentric J2000.0 coordinates. the` [qobservation.declsun] APEUJ UThDEC_TARG  % urWDeclination of the target. The epoch and equinox of the target position is J2000. For 1Umoving target, the epoch of the target position is the predicted start time for the =@deHobservation. (Fixed - Heliocentric J2000, moving - Geocentric J2000.) K`de[qobservation.dec_target] eUH UTh DEC_V1   Pt \declination of v1 axis of space telescope in geocentric J2000.0 coordinates. The v1 axis is ioYthe optical axis of the space telescope (more or less the roll axis). The epoch of the n@Uposition of the v1-axis is the predicted start of observation.[qobsevation.declnv1] UF UThntDEFAULTS  `TE0default values used in reformatting these data: heUD UThDEFDDTBL  `unUDL disabled diode table used: s. UB UTh DELAY   at`UJ2delay between integrations (in 1/1.024 microsec): !U@ UThhe DELTAS   o0`thdelta sample position: 00.JU> UThDELTA_X   Y` o(x increment for map (deflection units): arsU< UThDELTA_Y   `ix(y increment for map (deflection units): icd[q#] HH PHHis)ac UT UThceDETECTOB    ax]detector in use (0-5) - object data: This holds the number of the detector that was used for a$  tZdata from the object during this observation. It is one of the five image dissector tubes 0  Y(numbered from 1 to 5), including the two CsTe photocathodes, the two bialkali cathodes, n<@ UDand the photomultiplier tube. J` UD0:none dX` . 1:POL f` 2:UV1 t` y 3:VIS nte`244:UV2 ): `he5:PMT[qexposure.detectob] UR UTh pDETECTOR   DEXFOS: detector in use: amber, blue HRS: detector in use (1-2):  WFPC: the ccd number of @ the data UP UThenDETECTSK   _detector in use (0-5) - sky data: This holds the number of the possible detector that was used H[for data from the sky (or background) during this observation. It is one of the five image usatVdissector tubes (numbered from 1 to 5), including the two CsTe photocathodes, the two inZbialkali cathodes, and the photomultiplier tube. When MODE is SCP or ARS, this field will @in2contain the null value (-1).[qexposure.detectsk] 8UN UThDET_CHR   G ie[retrieve detector characteristics: Retrieve detector characteristics. This keyword is not S@Rcurrently used, and it is not updated to COMPLETE by the calibration. (calguide) mUL UThobDET_TEMP  |  Sdetector temperature of the object detector: Determined from the telemetered items ): @mbstDQIHFILE   ? t]Data Quality Initialization Files (QIN): The HRS data quality initialization files contain a u?UF\priori information concerning the effect of the HRSs diode arrays on the quality of output E:?gg\data values. Data quality initialization data files contain a single group of data with 512 nv@?h >entries corresponding to the 512 diodes of each HRS detector. UN UTh@DQI_CORR   Aedata quality initialization: Apply data quality initialization using the reference file, dqihfile. xAgu\This routine performs the data quality initialization by flagging each data value with the DQAavalues in the data quality initialization file. The file contains a data quality value for each l A=cdiode. If the data quality value of the data is larger than the data qualify initialization file @Aut[value for the diode, it is left unchanged. Quality values are never decreased. (calguide) liz1UL UThB TDSK_FILE  @`C f digital sky science is present: UFZUJ UThDonDST_FILE  i`Es !digital star science is present: uUH UThF?DWELL_LN   Git]( 1-99) dwell points per line for scan pointing mode; set if this is a dwell scan, otherwise o@G 5'equal to zero. [qexposure.dwells_line] UF UThH DWELL_TM  `Ili???? iUD UThJda ECBDX3   i`Ke eccentricity cubed times 3:  UB UThLThECBDX4D3  `Mtyeccentricity cubed times 4/3: 3U@ UThNthECCENTRY  B`On 5Eccentricity of the orbit[wiephemeris.eccentricity] s\U> UThPluECCENTX2  k`Qdi?2 times the eccentricity of the orbit. [wiephemeris.two_x_ecc] ta d&e HH d.HHgu)iz UT UThR TECH_CORR   S fbcorrection for echelle ripple: If one of the echelle gratings is used, divide the flux value by $Spr\the normalized grating efficiency to remove the echelle ripple using tables ccr9 and ccra, e 0Smo]which contain echelle ripple constants. This routine performs the echelle ripple removal by l<@SUT>dividing the flux by the following echelle ripple function: J`TX3ripple = gnorm sinc(a*x+b)^^2 X`UimWhere: UBf`VEC gnorm = cos(A+B+C)/cos(A+B-C+e) ect`Wim.x = [pi]*m*cos(A+B+C)*sin(A+e/2)/sin(A+C+e/2) `XEcAnd: `Yie e is arctan ( (samp-280.0)/f ), `Z m is the spectral order, `[ci*samp is the photocathode sample position, `\!A is (r0 - carpos)*2*pi/65536.0, `]6r0, B, C, f are grating parameters in table ccra, and `^UT5a and b are coefficients from table ccr9. (calguide) oUR UTh_leEPCHTIME   `atWEpoch time of orbital parameters; given in the form of the number of seconds since 1/1/cie @`ec85.[wiephemeris.epoch_time] %UP UThaEPLONGPM  4 be Uplanetographic coordinate system parameters: epoch of longitude of prime meridian of S@@b f=planetary target. seconds from 1980.[qtargets.epo_prim_mer] TZUN UThcrmEQNX_SUN  i`dimequinox of the sun: UL UThecoEQRADTRG   fOTplanetographic coordinate system parameters: equatorial radius of planetary target.@fe [qobservation.equ_radius] UJ UThgZEQUINOX    hXTYPE=C*7 equinox of the celestial coordinate system: eyyyy.f ... specifies the epoch of -h6.^equinox of the input coordinate system for target position data e = j or b, yyyy = year, f is @hcoa fraction of yyyy. cUH UThiUR ERRCNT   e j[number of segments containing errors: Science data is divided for telemetry purposes into s sj\lines and frames. A line is a maximum of 965 16-bit words of science data, and a frame is b jicQa collection of one or more lines. For transmission purposes, a line of data is ,jy Vaccommodated in a packet, which in turn is divided into from 1..16 segments (each of 8@jimwhich has 64 16-bit words.) TRUF UThkDTERR_CORR  a let[propagated error computation: Compute the propagated error at each point in the spectrum. @fmln.]The photon statistical errors in the original data are carried through the reductions. The eyl s^errors are scaled at each calibration step. Thus, the standard errors have the same units as de ' fHH onHH (@lnuTthe calibrated data. This step is a spectroscopy mode calibration step. (calguide) to!UT UThmjESQDX5D2  0`n a.Eccentricity of the orbit squared times 5/2. >`oiephemeris.ecc_sqd_x_fh] n oXUR UThps.EXPACKET  g qe WThe expected number of source packets for an observation for the SI science instrument o fsq (_data. This value is used to determine whether data collected by data partitioning has all been aqprYcollected. The estimate includes science data, unique definition log, and science header f@qn. packets. `rrs[qobservation.expected_pkt] ieUP UThsuc EXPEND    terNexposure end time (Modified Julian Date):  WFPC: EXPEND = EXPSTART + EXPTIME @tK(cgwcex)  FOS: EXPEND = FPKTTME (1 readout), LPKTTIME (multiple readouts) UN UThuEXPFLAG    vUExposure interruption indicator:  NORMAL - EXPTIME was successfully calculated from avdeUtelemetry  information, is equal to the predicted exposure time, and  the value of v JNSHUTA17 is less than or equal to 1. EXPFLAG is  also set to NORMAL when vZEXPTIME was successfully calculated  and the predicted exposure time was not available. 'vT INTERRUPTED - EXPTIME was successfully calculated from  telemetry information, is ti3vXequal to the predicted exposure  time, and the value of NSHUTA17 is greater than 1.  l?vadRINCOMPLETE - EXPTIME was successfully calculated from telemetry  information and Kvs[is not equal to the predicted exposure time.  (Invariably the case in Rapid-Read mode FOS XPEWvPTKobservations. ETS-E)  EXTENDED - EXPTIME was successfully calculated from IMEcvs)[telemetry  information and is greater than the predicted exposure time.  UNCERTAIN - The : ovwaTShutter Log Overflow flag (WWLOGOF) was set,  which indicates that not all shutter l {vxpTopen/close times are available. EXPTIME was calculated from the shutter open/ close o vsoNtimes that are available.  INDETERMINATE - EXPTIME could not be successfully vexWcalculated  from the telemetry and the predicted exposure time was not  available.  ullv RPREDICTED - EXPTIME could not be successfully calculated from  the telemetry and @ve 0EXPTIME was set to the predicted exposure time. vUL UThw EEXPFLAG   `x f!Exposure interruption indicator: UJ UThyisEXPFLAG   `zre!Exposure interruption indicator: pUH UTh{PEEXPFLAG   &`|. !Exposure interruption indicator: c@UF UTh}d EXPFLAG   O`~me!Exposure interruption indicator: aiUD UThpoEXPOSURE  x`exposure time (seconds): od (noHH xpHHwa.ul UT UThteEXPOSURE   soUexposure time per pixel (seconds): As opposed to the misleading EXPTIME which gives $ul\the total time the accumlation of photons took even though that time includes independent 0@D 4pixels (nxsteps) and the sum of all groups. (ETS-D) thJUR UThEXPSTART  Y toWexposure start time (Modified Julian Date): WFPC: Calculated as follows:  EXPSTART = !Exen 9UTC0 + (CLKRATE * T) + (CLKDRFTR * T**2)/2 + DELAY  T = q iG(WEXPTMHI*2**16 + WEXPOTIM) - SPCLINCN  where: SPCLINCL = spacecraft `|}@erLticks since UTC0  DELAY = 16.4 seconds if non-NSCC-1 controlled exposure Ex`n 6(generally means, the NSCC-1 didnt have take over to `sudeal with loss of PCS lock.) `.= 16.5 seconds if NSCC-1 controlled exposure `7(rather than WFPC micro-processor controlled.) (ETS-f) ` 4FOS:  EXPSTART = FPKTTIME - (EXPTIME + EXPDEADTM) on`o where: adi ivEXPDEADTM= (DEADTIME*7.8125E-oml)6)*INTS*[NXSTEPS*OVERSCAN*YSTEPS*SLICES] nt;*NPAT*NREAD*NMCLEARS  NOTE: EXPSTART only gives the start grUR3time of the FIRST group of data in the final PODPS Wex@(Mproduct.(ETS-f) ))UP UThd EXPTIME   8 Qexposure duration (seconds)--calculated:  WFPC: If the WFPC exposure was a DARK DI*MFRAME, the exposure time code in WEXPORTH is used to obtain EXPTIME from the PUTRWFPC Exposure Time  Table. Otherwise, the exposure time code in WEXPOCMD is used \, Vto  obtain EXPTIME from that table. In addition, if the number of  shutter closures hO(NSHUTA17) was greater than 1, the WFOCTIME values  are used to calculate the n Wt@r -amount of time that the shutter was closed: O`KT(EXPTIME = EXPTIME - shutter_closed_time  di9When EXPFLAG is set to PREDICTED, EXPTIME was set to the NT9predicted  exposure time.  FOS:  EXPTIME reflects the N 2total accumulator open time (livetime): EXPTIME= @th5(LIVETIME*7.8125E-6)*INTS*[NXSTEPS*OVERSCAN*YSTEPS* `(SLICES]*NPAT*NREAD*NMCLEARS EX 8Misleading exposure time: This gives the total time the FPos4accumlation  of photons took even though that time urPO5includes independent pixels  (nxsteps) and separate e 5spectra (ysteps) and is the sum of ALL groups.  See O@EXPOSURE.(ETS-f) UN UTh tEXP_CORR  ) be\division by exposure time: Convert to count rates. This routine converts the input data to es5cu\count rates by dividing by the exposure times. The exposure time is computed for each bin APTLas 0.05*NCOADD*INTPER, where NCOADD is the number of coadds to the bin and CTMt ^INTPER is the integration period in 0.05 second intervals. If either value contains fill, no Y@l Uexposure time can be computed and the entire bin is flagged as unusable. (calguide) IsUL UThCAEXTNCT_V  `SLextinction in V: Cdea)isHH HHk (ho UT UThEX_EFFIC   de]scaled extended source cathode efficiency:  Extended source sensitivity relative to that of L$^the reference  aperture, unitless. This keyword is filled by the calibration  software only 0@ t'when the target is an extended source. e cJUR UThda E_B_V   Y`t E(B-V): disUP UThsu FAINT   ex`pu,lower threshold for star presence (counts): .0UN UThhe FCHNL   he  t@first channel: ACTUAL FLAGS AND INDICATORS COMMON (FOS keyword: riiLNCHNLS). The first channel to be processed: 0,2,4,...,510 or -1 for error. e @f[qexposure.fchnl] UL UTh. FDMEANAN   EXHFirst derivative coefficient for mean anomaly in revolutions per second@iephemeris.fd_mean_anom] UJ UThFGSLOCK   ! Qstatus of FGS lock (FINE, COARSE, GYROS, UNKNOWN):  Keyword source is the field t-@deJqbs_obset.scenario_acq which is  translated into simpler terms. (cgalok) GUH UThreFGWA_ID   V`woThe disperser id: alid` oDisperserDisperser ID 'whr`n G130HH13 ce.` G190HH19 ` G270HH27 di`su G400HH40 ex`pu G570HH57 hol`e G780HH78 UN`FC G160LL15 `fi G650LL65 ACT`CA PRISMPRI FOS` MIRRORCAM NC`ha&or ERR for error.[qexposure.fgwa_id] UF UThFILLCNT   ' ] Ynumber of segments containing fill: Science data is divided for telemetry purposes into m3ol\lines and frames. A line is a maximum of 965 16-bit words of science data, and a frame is FG?Qa collection of one or more lines. For transmission purposes, a line of data is sKVaccommodated in a packet, which in turn is divided into from 1..16 segments (each of W@rewhich has 64 16-bit words.) qUD UThr FILTER1    er`first filter number (0-48): This holds the number of the first filter used. Possible values are d*40HH 57HH'15M0 to 48 (0 meaning the clear filter and 1-48 meaning one of the 48 filters). @MI[qexposure.filter1] -UT UThorFILTER2   < UTWsecond filter number (0-48): This holds the number of the second filter used. Possible ienH f\values are are 0 to 48 (0 meaning the clear filter and 1-48 meaning one of the 48 filters). 5 T@ie[qexposure.filter2] inUR UThFILTNAMi  }`lifilter name: (i=1..2) UP UTh dFILTNAMi  `mmfilter name: (i=1..4) UN UThdeFINCODE    f Xobservation termination code: ZFINCOD: a status code giving the reason for the dump of @fiKthe HRS Unique Data Log. Thse codes are given in Section 3.8.3 of SE-01: sib`&101: Observation Processing initiated `"102: Observation pattern complete ` 103: Under-exposure termination ` 4104: Over-exposure termination 1-!`th105: Bad-data termination /`re106: Observation time-out IUL UTh FL1HFILE  X`r first flat-field header file: rUJ UTh fFL2HFILE   VFlat Field Files (FLT): FOS flat field reference files contain diode and photocathode @Xsensitivity data used to reduce flat-field spectra (spectroscopy ground software mode). UH UTh (FLATCORR   NA\Do flat field correction: YES, NO, DONE: Correct the input science image for variations in rv]gain among pixels by applying a flat-field image. The input science image is multiplied by U]the flat-field image. The names of the flat field image and its DQF must be provided in the O@in+keywords FLATFILE and FLATDFIL. (calguide) atiUF UThe FLATDFIL  `xp&name of the flat field reference DQF: UD UThreFLATFILE  , thZFlat Field Reference Files (FLT): The variations in sensitivity between pixels in the CCD 8 Xdetectors are corrected by applying a flat field reference file. This file contains the DFl_normalized inverse sensitivity (gain) for each pixel in the detector. It is made from internal @PdaZflat lamp exposures, the combination of streaked earth flats or processed observations of \ `astronomical sources. The image is multiplied by the flat field file after correcting for bias, r hZpreflash, superpurge, and dark. The FLATDFIL is the name of the flat field reference data t@quality file. dme+agHH tHHE *AT UT UThtiFLATNTRG    \planetographic coordinate system parameters: flattening of planetary target, the difference $@thKbetween the equatorial and polar radius divided by the equatorial radius. els2`[qobservation.flattening] LUR UThOFLT_CORR  [ s `flat-fielding: Remove diode-to-diode sensitivity variations and fine structure by multiplying thgma`by the flat field response. The object spectra and sky spectra (if obtained) are flat-fielded. lassedThis process requires the use of the flat field response file, fl1file. A second flat field file,  ar ]fl2file, is required for paired aperture or spectropolarimetry observations. This step is a l@ d0spectroscopy mode calibration step. (calguide) UP UThFLX_CORR   _flux scale generation: Convert the object spectra to absolute flux units. The object spectra ti\are converted to flux units by multiplying by the inverse sensitivity vector. This routine t_requires the inverse sensitivity file iv1file. A second inverse sensitivity file, iv2file, is 2[qZrequired for paired- aperture or spectropolarimetry observations. This calibration step -t[converts the count rates to units of ergs/cm^^2/sec/Angstrom. This step is a spectroscopy the@se"mode calibration step. (calguide)  UN UThe FLX_CORR   se_flux scale generation: Calculate the absolute flux by dividing the flux by the absolute flux le,%Ycoefficients using the absolute flux file, abshfile, and corresponding wavelength file, e1[nethfile. This routine converts the input flux to absolute flux units by dividing it by a  =_sensitivity stored in absfil (sensitivities) and netfil (wavelengths for the sensitivities). tiI_Quadtratic interpolation is used within the sensitivity file to compute sensitivities for the U@reinput wavelengths. (calguide) oUL UThcoFPKTTIME  ~ leVthe time of the first packet: Each packet contains ancillary information including a br]spacecraft time code value. This value contains the spacecraft time of transmission of the @ecLine Start signal. UJ UThibFP_SPLIT  `)fp-split (NO, TWO, FOUR, DSTWO, DSFOUR): eUH UThatF_RATIO    byRfocal ratio: Set to 48 if the optic relay (OPTCRLY) is F48;  set to 288 if the  fYcoronographic apodizer mask (CAMMODE) is in  the beam; otherwise the focal ratio is set u@into 96. (OPR.20224) flUF UThng GCOUNT   )`senumber of groups: CUD UThtiGEOCORR   R e Zgeometric correction: Geometric correction. A raw FOC image is slightly distorted (about ^puW2%) by the optics and the detector. The distortions are comparable in magnitude. The j \optical distortion was computed by ray tracing, and the detector distortion is measured by atvYtaking flat-field images and observing the positions of reseau marks that are uniformly t ^spaced on the photocathode. A geometric correction reference file includes both optical and dWO,HH HHti(y ; bdetector distortion. It consists of two sets of positions: a uniform grid of reference positions raT(i.e., on the sky) and where those positions would be observed in a raw FOC image. ^Removing the distortion involves determining the location in the input (distorted) image of , c]each pixel in the output (undistorted) image, and then interpolating the DN (in counts) for s8@ TXthat location. Bilinear interpolation is used for both the position and DN. (calguide) onQUT UThayGEODEFV   ``ti*geo DN value for areas outside sci image: zUR UThagGEOHFILE    rYGeometric Distortion Files (GEO): The geometric distortion correction data files contain rreWdata used to correct FOC science images for the geometric distortion caused by the FOC Yoptics and the Photon Detector Assembly (PDA). It is used for the geometric calibration. ioYThe geometric distortion correction data files consist of the distorted and undistorted, n Tsample and line coordinate values (REAL*4) of a grid of reference points on the FOC @ tdetector screen. lUP UThe GMF_CORR  `iscale reference background: eaUN UThtpGOODMAX   `in$maximum value of the "good" pixels: 1UL UThthGOODMIN   @`on$minimum value of the "good" pixels: (ZUJ UThUTGPIXELS   i`!number of "good" pixels (DQF=0): sUH UTh: GRAPHTAB  ` Ethe HST graph table:  See PHOTMODE and related photometry keywords. iUF UThn GRATING   `Egrating, echelle or mirror in use: GRATING -- grating/echelle mode: i`OC#Spectral ElementGratingDetector the`ssG140MG-1Digicon 1 or `brG160MG-2Digicon 2 io`stG200MG-3Digicon 2 les`stG270MG-4Digicon 2 `saG140LG-5Digicon 1 val`grECH-AE-ADigicon 1 th+`ECH-BE-BDigicon 2 . l9`e SAFE1SAFDigicon 1 G`feSAFE2SAFDigicon 2 UTU`MAMIRROR-N1MN1Digicon 1 c` tMIRROR-A1MA1Digicon 1 q`MIMIRROR-N2MN2Digicon 2 ` tMIRROR-A2MA2Digicon 2 d-f HH HH 'HS`eeNDF OD`om5(NDF = NOT DEFINED, ERR = ERROR) [qexposure.grating] /UT UThgrGRNDMODE  >`RAground software mode: odeL`LED-FLAT-FIELD-MAP (IMAGE) Z`TIME-RESOLVED(PERIOD) Dh`TIME-TAGGED(TAG) G-v`RAPID-READOUT(RAPID) G- 0TARGET ACQUISITION(ACQ,ACQ/BINARY,ACQ/PEAK,ACQ/@L FIRMWARE) `SPECTROSCOPY(no polarizer) 1`4SPECTROPOLARIMETRY(with polarizer) (tguide 7.0-10) SAUR UTh 1 GROUPS   ` SAimage is in group format: UP UTh 1 HEADER   `  tscience header line exists: UN UTh MIHEL_CORR  '  Xconversion to heliocentric wavelengths: Convert wavelengths to heliocentric coordinate 3@ Qsystem. This routine corrects for the Earths motion around the Sun. (calguide) MUL UThHIGHVOLT  \ EDZscaled high voltage factor:  Scaling factor relative to the reference volatge, unitless, h@mo3calculated  by the calibration software (calhsp). AGEUJ UTh HOFFi   OL`"horizontal offset bin i+1: i=1..6 UH UThHSTHORB   `-half the duration of the ST orbit (seconds): IUF UTh HVPSM   `9high voltage power supply output of the object detector: UD UThOLIAC_CORR    7.Yincidence angle correction: Adjust the zero-point of the wavelength scale for the large 1]science aperture and the two spectral lamp apertures using table CCR8 containing incidence O$_angle coefficients. This routine adjusts the wavelenght array for the difference in incidence 0[angle of apertures LSA, SC1 and SC2 from the SSA. Table CCR8 is searched for the correct < `grating, spectral order, aperture, and carrousel position to obtain two coefficients, A and B. olH\Interpolation of the coefficients (in carrousel position) is used if an exact match is not HOT@\found. These coefficients are then used to compute an offset using the following formula: b` dw = w + (A+B*s)/m p`UFWhere: ~`w is the wavelength, idth.UDHH HHon&us`f "A and B are coefficients in ccr8, `1+s is the photocathode sample position, and ap$`e m is the spectral order. O2` (calguide) iciKUT UTh aIMAGETYP  Z` he;image type: DARK/BIAS/INTFLAT/KSPOTS/EXTERNAL/EARTH-CALIB: erttUR UTh! S INFOB   A.`"rc"deflection pairs/substep pattern: UP UTh# s INFOC   a`$us,largest repeat code in the substep pattern: BUN UTh%INSTRUME  `&ieinstrument in use: it`' eFGS: Fine Guidance System `(d.FOC: Faint Object Camera e`)anFOS: Faint Object Spectrograph la: `**HRS: Goddard High Resolution Spectrograph  +8HSP: High Speed Photometer  WFPC: Wide Field/Planetary '@+Camera AUL UTh, INTOBS   P`-*expected number of intermediate readouts: jUJ UTh.d INTS   ieny`/number of integrations: toUH UTh0itINT_TIME  `1m /time of integration (in 1/1.024 microseconds): lguUF UTh2ITFCORR    3\intensity transfer function correction: Apply format-dependent photometric correction. The IN3creference files used in this step are called ITF files for historical reasons. They are not full-us3od[frame; there is one such file for each format. The format-dependent correction is applied ent3\by multiplying the image from the previous step (i.e., the dark-count subtracted image) by @3 Fthis file. (calguide) la:UD UTh4ITFHFILE  $ 5ct]Intensity Transfer Function Files (ITF): The Intensity Transfer Function (ITF) files contain 05raWdata used to correct FOC science images for spatial nonuniformities that depend on the iat<5UT[image format. It is used for the format-dependent photometric correction. An ITF data file itH5Whas the same form as an FOC image. The lengths of the axes are the same or larger than ITT5[those of the image to be calibrated. Each entry is a REAL*4 scaling factor that is used to rec`5Umultiply the corresponding pixel DN count in the FOC science data file that is to be al@5t corrected. dsu/t.HH isHHpl(he UT UTh6reIV1HFILE  `7ub'first inverse sensitivity header file: th2UR UTh8e)IV2HFILE  A 9 ^Inverse Sensitivity Files (IVS): FOS inverse sensitivity reference files contain data used to M@9taSconvert object data to an absolute flux scale (spectroscopy ground software mode). ormgUP UTh:on IXDEFi   v`;e initial x deflection i: i=1..5 -deUN UTh<c IYDEFi   I`=initial y deflection i: i=1..5 rm UL UTh>he KSPOTS    ?orWStatus of Kelsall spot lamps: ON, OFF: Determined by PODPS on the basis of the packet a R?Tformat code of the observation: KSPOTS=OFF unless the packet format code=24x or  t@?a 2Cx. (cgwsdh) aUJ UTh@t KXDEPLOY    ATCOSTAR deployed for FOC (T or F) The logical DEPLOY keywords are to be set to True AWonly if the COSTAR arm for that SI has been deployed. There are two conditions under se !A fZwhich this keyword should be set to False. Before the servicing mission, a database flag -A s[will have to be set to instruct PODPS not to extract the COSTAR mirror positions from the an 9Ae [SHP (the telemetry positions will still correspond to HSP data), set the DEPLOY keywords e EAti[to False and set the mirror position keywords to a default value (99999). Once COSTAR is n iQAUT]installed in HST, the database flag will be set to indicate that the COSTAR SHP entries are m]AheQvalid. PODPS should then populate the DEPLOY keywords based on the SHP position TiAacZtelemetry values. If any of the telemetered values for a given SI are the default value uAZ(99999), then the DEPLOY keyword for that SI should be set to false. This will allow for @A?the possibility of deploying some COSTAR arms and not others. TheUH UThBonKXBFOCUS  `CwhCOSTAR M1 Focus Position (mm) UF UThDe KXBXTILT  `Eg 'COSTAR FOC M1 X-tilt Position (arcsec) toUD UThFt KXBYTILT  `Gti'COSTAR FOC M1 Y-tilt Position (arcsec) (tUB UThHtiKYDEPLOY  % IatTCOSTAR deployed for FOS (T or F) The logical DEPLOY keywords are to be set to True ti1IefWonly if the COSTAR arm for that SI has been deployed. There are two conditions under ase=ItoZwhich this keyword should be set to False. Before the servicing mission, a database flag IIY [will have to be set to instruct PODPS not to extract the COSTAR mirror positions from the lemUIa [SHP (the telemetry positions will still correspond to HSP data), set the DEPLOY keywords at aIto[to False and set the mirror position keywords to a default value (99999). Once COSTAR is rmsmIhe]installed in HST, the database flag will be set to indicate that the COSTAR SHP entries are TyITIQvalid. PODPS should then populate the DEPLOY keywords based on the SHP position d01 HH UTHHI'COIFOZtelemetry values. If any of the telemetered values for a given SI are the default value IfoZ(99999), then the DEPLOY keyword for that SI should be set to false. This will allow for @Id ?the possibility of deploying some COSTAR arms and not others. I9UT UThJwiKYBFOCUS  H`KS COSTAR M1 Focus Position (mm) bUR UThLheKYBXTILT  q`M t'COSTAR FOS M1 X-tilt Position (arcsec) toUP UThNe KYBYTILT  `OI'COSTAR FOS M1 Y-tilt Position (arcsec) n kUN UThPltKZDEPLOY   QmsTCOSTAR deployed for HRS (T or F) The logical DEPLOY keywords are to be set to True t QriWonly if the COSTAR arm for that SI has been deployed. There are two conditions under d oQ Zwhich this keyword should be set to False. Before the servicing mission, a database flag Q[will have to be set to instruct PODPS not to extract the COSTAR mirror positions from the lemQa [SHP (the telemetry positions will still correspond to HSP data), set the DEPLOY keywords at Qto[to False and set the mirror position keywords to a default value (99999). Once COSTAR is rms Q]installed in HST, the database flag will be set to indicate that the COSTAR SHP entries are TQTIQvalid. PODPS should then populate the DEPLOY keywords based on the SHP position #Q Ztelemetry values. If any of the telemetered values for a given SI are the default value /QZ(99999), then the DEPLOY keyword for that SI should be set to false. This will allow for ;@Q?the possibility of deploying some COSTAR arms and not others. TheUUL UThRonKZBFOCUS  d`SwhCOSTAR M1 Focus Position (mm) ~UJ UThTe KZBXTILT  `Ug 'COSTAR HRS M1 X-tilt Position (arcsec) toUH UThVt KZBYTILT ! `Wti'COSTAR HRS M1 Y-tilt Position (arcsec) (tUF UThXtiLEDCOLOR "  YatLLED color (a color, blank , NONE or ERROR): If at least one telemetry item roYs U(XC1LEDSL, XC2LEDSL) is NOT fill, then the FOC LED selection table will be searched YwiUto determine the significance of the telemetered value or values. If the telemetry DYpuXmeasurements are above a threshold count, then LEDMODE is ON , else it is OFF. If both s.YemTtelemetry measurements are valid, then both must agree on whether LEDMODE is ON or n @Y fCOFF. If they disagree, an error condition is generated.(cp2jld) @Q5UD UThZitLEDMODE  # D [ndOled calibration status: ACTIVE, NOTUSED: calibration LED mode: ACTIVE,NOTUSED. M1 P@[) [qexposure.ledmode] KZjUB UTh\ LINE  $ 'COy`] Pline positions: tod 1COHH c)HH! UT UTh^r LINEBEG  % `_I+line number (1st line: wrt source format): Y2UR UTh`C2LINEBEG  & A`aLE+line number (1st line: wrt source format): [UP UThbmiLINENUM  ' j`ctePEP proposal line number: UN UThdLINEOFF  ( `eveQline offset (0.0-1023.75): Line offset, mnemonic = XCCCUVRO.[qexposure.lineoff] YUL UThfasLINEPFM  )  g Ilines per frame (64, 128, 256, 512, or 1024): Number of lines per frameg@gdi[qexposure.linepfm] p2UJ UThh LINES  * OD`inumber of lines in a group: us UH UThj cLIVETIME + `kD.2accumulator open time (units of 7.8125 microsec): 4UF UThlLI LOCATE  , C`mli%do a locate after the spiral search: ]UD UThnLONGPMER - l oVplanetographic coordinate system parameters: longitude of prime meridian of planetary x@o target. [qtargets.long_prim_me] lUB UThprmLPKTTIME .  qBEUthe time of the last packet: Each packet contains ancillary information including a q ^spacecraft time code value. This value contains the spacecraft time of the start of the DMA @q oH(Direct Memory Access) transfer that produced the data for the packet. YU@ UThras MAG_B  / `s expected B Magnitude: U> UTht02 MAG_R  0 li `uexpected R Magnitude: %U< UThvUJ MAG_U  1 4`wexpected U Magnitude: NU: UThxup MAG_V  2 ]`y expected V Magnitude: wU8 UThz t MAP  3 dl2HH r HHLO( `{o-dwell points at which to image the aperture: r!UT UTh|imMAP_CORR 4 0 }Ymapping function: Perform the photocathode mapping function using tables ccr1 and ccr2 <} oWcontaining the photocathode line mapping and sample parameters. This routine computes qH@}tiRthe mapping function for each of the substep bins using the following formulae: V`~(D"SAMPLE(bin) = x0 + b*XD + c*XD^^2 d`foDELTAS(bin) = e U@r`MALINE(bin) = L0 + A*YD ` BWhere: : `025SAMPLE -- is the sample position of the first diode, u`v2DELTAS-- is the spacing between sample positions, `UT,LINE -- is the line position of the diodes,  `tu&XD -- is the X-deflection minus 2048, `&YD -- is the Y-deflection minus 2048,  6s0, b, c and e are coefficients in ccr2, interpolated @for o`whthe given Y-deflection, and UT`MA'L0, and A -- are coefficients in ccr1. fu `he (calguide) ma$UR UThngMAP_NUM  5 3`mosaic map number: theMUP UThMASKCORR 6 \ s TDo mask correction: YES, NO, DONE: Include the static bad pixel mask in the output bhloWDQF. The name of the static bad pixel mask must be provided in the keyword MASKFILE. fot@U@5This file is in the same format as a DQF. (calguide) UN UTh: MASKFILE 7   tUStatic Bad Pixel Mask Files (MSK): The static mask files (formerly known as the data eioYquality masks) contain flags for those pixels which always contain degraded values. This uef\mask is routinely incorporated into the data quality file generated in the RSDP pipeline by  e]calwfp. The static mask file is a short integer (INTEGER*2) image file of of four (4) groups ianWwith the same dimensions as the WF/PC science image. The image contains values of zero (cUT\(0) in all pixels, except for those with known static defects. Defective pixels are flagged MA@with the value four (4). cUL UThE: MAXCLK  8 t`k maximum clock count: (UJ UTh T MAXGSS  9 7 asSmaximum substep patterns/observation:  read from the value telemetered in the HRS thC@ D"Unique Data Log (UDL):  ZMAXGSS. ]UH UThMAXWAVE  : l` Mmaximum wavelength: tadth3HH fHHde&es UT UThMAXWAVE  ; `ormaximum wavelength: li2UR UThinMDF_CORR < A Zmedian filter of background spectra: Use a median filter on the background. This routine Mbperforms a median filter of the background with a user-specified (i.e., specified in the table) Y]filter width. The edge points are filled with the value of the closest position that can be ee@filtered. (calguide) uUP UThMEANANOM = `)mean anomaly. [wiephemeris.mean_anomaly] UN UTh 9 MERGED  > `su*number of merged spectra in this pattern: UL UThinMER_CORR ?  UnZmerging of substep bins: Merge the substep bins. This routine merges the spectral data. taWUnmerged output data is just a copy of the input data. Both the input and output data _arrays are 2-dimensional arrays treated as 1-dimensional arrays by this routine. The input is imuUR[treated as 1-dimensional to make copying faster (2-dimensional copying takes longer) and se  t\the output array is treated as 1-dimensional because this routine computes its dimensions. wi@d (calguide) ied6UJ UTh METER  @ E`e 4observation terminated by exposure meter? (Y or N): po_UH UThMINWAVE  A n`almaximum wavelength: UF UTh MINWAVE  B `. maximum wavelength: alUD UThMIR_REVR C `is the image mirror reversed: UB UThULMNF_CORR D  Vmean filter of background spectra: Use a mean filter on the background. This routine  `performs a mean filter of the background with a user-specified (i.e., specified in the table) ut]filter width. The edge points are filled with the value of the closest position that can be  @filtered. (calguide) e'U@ UThl MODE  E ng 6 naKinstrument mode SCP, SSP, ARS: instrument mode for hsp: SCP = single color ateB bSphotometry, SSP = star/sky photometry, ARS = area scan, DUM = a dump; wfpc: FULL = 6UJNMEUfull-resolution (800X800), AREA = area-integration (400x400); fos: modes specify how oZ]the data should be calibrated: target acquisition, spectroscopy, rapid-readout, time-tagged, f@. Ztime-resolved, spectropolarimetry. hrs: direct readout, accumulation, target acquisition t`: [qexposure.mode] Ld4roHH tHH*pe UT UThteMODHFILE F  ecXReseau Mark Model Files (MOD): A reseau mark model data file contains from one to fifty s $e Vmodels of reseau marks. A reseau mark model is a small image file containing a reseau 0l [mark in the center and just a few background pixels around the edge. It is used during the SC<teWreseau calibration. Each group of a reseau mark model file has the form of a miniature p; H\rectangular image, i.e., a reseau mark model which is used to determine the actual location ciT@9of each reseau mark listed in the reseau reference file. ,nUR UThidModified G } VUniversal Time is defined as time since 00:00 17-Nov-1858, in  100-nanosecond units. WThis is the Smithsonian base date & time  for the astronomical calendar. The Modified roWJulian Date (MJD)  is defined as time since 00:00 17-Nov-1858, in units of days  and MO@fractions of a day. (cgamjd) UP UTheaMOD_CORR H  omSground software mode dependent reductions: Perform ground software mode-dependent a sntWreductions for time-resolved, spectropolarimetry, and rapid-readout observations. The aris]following processing steps are performed in addition to the standard case and spectroscopy of_mode calibration steps. Rapid-Readout: The total and its statistical error for each frame are to alZcalculated. Time-Resolved: The average of all slices (bins) and the differences from the idUaverage for each slice (bin) of the last frame of time-resolved data are computed. NnaQSpectropolarimetry: The spectropolarimetry reductions require the Wollaston and rca^Waveplate parameter table, ccs4, and the retardation reference file, rethfile. On an initial *niapass, the reference data is read. On all calls to the special processing routine, the flux and O6Yerrors are saved for use on the last call---in which the processing is done. The Stokes tBZparameters, linear and circular polarization, and the polarization angle (theta) for FOS N]polarimetry data are computed. Interference is corrected using the coefficients in ccs4 and oZYtheta is changed to sky coordinates by adding PANGAPER. If you are truly interested in ff@/how this works, talk to Rich Allen. (calguide) ragUN UThinMOONANGL I  Qangle between moon and V1 axis (deg): Computed as: moonangle = cosd(declmoon) * dNWcosd(declnv1) * cosd(rtasmoon - rtascnv1) + (sind(declmoon) * sind(declnv1)) moonangle Wol@= acosd (moonangle)(cgaang) taUL UTh r MTFLAG  J e`le2moving target flag; t = this is a moving target. `d.[qobservation.mt_flag] ialUJ UThe,MT_LVi_k K  Qmoving target information: Proposer comments on moving targets (i=1..3, k=1..5). @ UThNPDECTRG Z S it\planetographic coordinate system parameters: declination of north pole of planetary target. h _@tw[qobservation.north_dec] syU< UThanNPRATRG  [ d. 6teHH olHHrr%in`h &north pole right ascension of target: !UT UTh NREAD  \ th0`Da%number of readouts per memory clear: eJUR UTh. NSHUTA17 ] Y`FO!Number of AP17 shutter B closes: tsUP UThofNXSTEPS  ^   Dnumber of x steps: ACTUAL FLAGS AND INDICATORS COMMON (FOS keyword: UT@ELENXSTEPS). The number of xsteps per ystep: 1,...,32 or -1 for error. ` [qexposure.nxsteps] toUN UThpeOBSERVTN _ `liobservation number (base 36): UL UThttOBSET_ID `  [observation set id: The observation set id, these are numbered sequentially throughout the atif Dproposal. A base 36 number which allows for 1295 observation sets. U<@NP[qobservation.obset_id]  UJ UTh. OBSINT  a /`intermediate readout number: IUH UThOBSMODE  b X`observation mode: rigf rg%DIRECT READOUT if proposed mode is hr@DaRAPID,ENGINEERING, mem`UTPULSE-HEIGHT, THRESHOLD;  Nu#ACCUMULATION if proposed mode is UT@EPACCUM,OSCAN,WSCAN, `s: PHOTOSCAN; N N )TARGET ACQUISITION if proposed mode is P@xsACQ,IMAGE,DEFCAL, r `ACQ/PEAKUP. (tguide 7.0-12) UF UTh OBSRPT  c V`observation repeat number: (baUD UThOBSSTRTT d " [predicted obs. start time (seconds since 01/01/1985) OBSSTRTT is the predicted start time out.QPSTRTIME (which comes from the relation qobservation) converted to sogs_seconds :[qV(seconds since 01-jan-1980 00:00:00.00) less the number of seconds between 1980 and F@be1985 (157852800). (cecosp) MOD`UB UThOFFS_TAB e o`.GIMP offsets (post-pipeline processing only): dID7HH THHAT&f UT UThUTOFF_CORR f `ANPerform GIMP correction: 2UR UTh NOPFORMAT g A`IS%output product format specification: [UP UThMA OPMODE  h j`proposed operation mode: -UN UThOPTCRLY  i  Voptical relay: F48,F96,F288. These are the three possible magnifications in which the @s.%camera operates. [qexposure.optcrly] UL UThedOPTELTn  j  XThis specifies which filter or optical element was used on (F48,F96) wheel n: 0,...,11. @(s(wheel n=1..4) janUJ UTh lORIENTAT k `19$the orientation of the image (deg): 78UH UThODOUTDTYPE l &  UOutput image datatype: REAL, LONG, SHORT: Select the data type of the output (.c0h) 2Nimage. The allowed options are REAL, SHORT, and LONG corresponding to single->AT_precision real, short integer, and long integer pixels. The data is scaled with the keywords UTJ@RMFWSCALE and WZERO if the SHORT or LONG option is selected. (calguide) dUF UThOPOVERSCAN m s prBoverscan number: ACTUAL FLAGS AND INDICATORS COMMON (FOS keyword: @caAOVERSCAN). The overscan number: 1,2,3,4,...,256 or -1 for error. iUD UThPARALLAX n  xp_expected parallax of target: (0.,1000.)... target parallax in arcsec (1 x 10e-3 precision) the ltent^change in direction of a celestrial object which results from the change from heliocentric to @ Egeocentric coordinate systems. (default = zero). [qtargets.parallax] TUB UThTYPAR_CORR o ` ut#parallax correction used (T or F): SelU@ UTh ofPASS_DIR p ` polarization pass direction: s,U> UTh  aPA_APER  q ;  Uposition angle of aperture used with target (deg): This value is computed before the sG ywZobservation, rather than spacecraft measured. This is the angle from North, towards East, S Uof the +Y-axis of the Science Instrument Corrected System (SICS) coordinates for the O_ woXaperture designated by APEROBJ. The direction of North is taken at the target even when ik She target is not centered in the FOV. For FOC, the zoomed FOV have the SICS Y-axis et w  (Zaligned with the direction of increasing pixel. In the group data, the Y-axis (for the CD  m Vmatrix and ORIENTAT) is always the direction of increasing line. For these zoomed FOC d T8PAHH paHHUT)   \apertures, that can be identified as those with a Z in the fourth caharcter in APEROBJ, the  tiVvalue of PA_APER will be 90 degrees larger than the ORIENTAT value in the group data.  rvYFor FOS, in the right-handed XY coordinate system of the detector, this is the angle one , heTrotates the image clockwize in order for North to coincide with +Y. The FOS APEROBJ 8 tuOvalues that end in "BAR" have a PA_APER value 90 degrees larger than ORIENTAT. iD@ [qobservation.aper_angle] ]UT UThC, PA_REF  r l isVpos. angle of target from ref. object (deg): Reference target is that used for target x@orKacquisition. (Not yet supported. Always zero.) [qobservation.position_ang] inUR UTh t PA_V3  s C  \position angle of v3 axis of ST (deg): This is the angle from North, towards East, of the Y-Waxis of the vehicle coordinate system. The direction of North is taken at the V1-axis. theinYPosition angles measured from North at different right ascensions, such as at the target Re Uposition for PA_APER or the aperture reference position for ORIENTAT, will include a t@isWsmall correction for the difference in the direction of North. [qobservation.psanglv3] oinUP UThFO PCOUNT  t `vanumber of group parameters: PAUN UThrePDTYPEi  u #`LData type of the group parameter number i. This is a required FITS keyword. =UL UThpoPEP_EXPO v L`t ,PEP exposure identifier including sequence: t fUJ UThorPEQUINOX w u` A`81!= ( INTEGRAL P(LAM)*LAM*DLAM ) / L`9UV( INTEGRAL P(LAM)*DLAM ) 3Z`:d and: h`; u!= ( INTEGRAL P(LAM)*DLAM/LAM ) / Tv`<ge( INTEGRAL P(LAM)*DLAM ) L`=3([Koornneef et al. (1986), Horne (1988)] bsUT UTh>PHOTTAB   `?. 0name of the photometry keyword reference table: PLUR UTh@PHOTZPT    AvoVST magnitude zero point: PHOTZPT is the zero-point of the ST magnitude system. The ST A FHmagnitude is STMAG = -2.5 * LOG_10( FLAM ) + 21.10, thus constant STMAG ATcorresponds to constant FLAM, and the zero-point is PHOTZPT = -21.10. This value is A Schosen so that Vega has an ST magnitude of zero for the Johnson V passband. If the paA dZabsolute calibration of Vega changes, this value may also change slightly. [Koornneef et @Aal. (1986), Horne (1988)] +UP UThB1 PKTFMT   P:`C packet format code:  WFPC: LH`DType of Exposure WF PC hV`E= ---------------- ----- ----- Td`FgeEXTERNAL 60X 61X Mr`G=w/PREFLASH 62X 63X 198`Hbsw/PURGE 64X 65X PH`Iw/PURGE & PREFLASH 66X 67X try`J t+EXTERNAL 68X 69X with Serial Clocks On `KST-w/PREFLASH 6AX 6BX with Serial Clocks On t`Lde*w/PURGE 6CX 6DX with Serial Clocks On `M5 5w/PURGE & PREFLASH 6EX 6FX with Serial Clocks On `NesBIAS 20X 28X L`OoiDARK 21X 29X .`PINTFLAT 22X 2AX ch`QhaEXTFLAT 23X 2BX er `RV KSPOT 24X 2CX `S dUVFLOOD 25X 2DX o(`TisDARK w/CLOCKS=ON 26X 2EX .6`UPREFLASH 27X 2FX 1PUN UThV] PKTTIME   _ W P]time from the packet ancillary data: Each packet contains ancillary information including a CkWE^spacecraft time code value. This value contains the spacecraft time associated with the SHP w@W62:(standard header packet) which contains ancilliary data. dSH;HH wHHST*EF UT UThXitPLY_CORR  `YL,polynomial smoothing of background spectra: n 2UR UThZ5 PODPSFF   A`[it+0=(no podps fill), 1=(podps fill present): S [UP UTh\ POLANG   Aj`]'initial angular position of polarizer: UN UTh^EXPOLAR_ID  `_Rpolarizer id: 2``SA:polarizer A; X `aB:polarizer B; LO`b .C:no polarizer; `c2F E:error. UL UThd POSTNSTX   em [position of space telescope x axis (km): X-axis coordinate of the space telescope position eft[in orbit at the predicted start time of observation. The coordinates are in the geocentric  ed ]J2000.0 inertial coordinate system. This is a right-handed coordinate system centered in the eYearth, with the X-axis pointing towards the vernal equinox for the year 2000, the Z-axis $e Zpointing towards the north celestial pole for the year 2000, and the Y-axis orthogonal to 0@eboth. [qobservation.postnstx] JUJ UThf pPOSTNSTY  Y gPO[position of space telescope y axis (km): Y-axis coordinate of the space telescope position EXeg[in orbit at the predicted start time of observation. The coordinates are in the geocentric qgLO]J2000.0 inertial coordinate system. This is a right-handed coordinate system centered in the }gYearth, with the X-axis pointing towards the vernal equinox for the year 2000, the Z-axis egZpointing towards the north celestial pole for the year 2000, and the Y-axis orthogonal to @gicboth. [qobservation.postnsty] UH UThhatPOSTNSTZ   ioo[position of space telescope z axis (km): Z-axis coordinate of the space telescope position thior[in orbit at the predicted start time of observation. The coordinates are in the geocentric or i t]J2000.0 inertial coordinate system. This is a right-handed coordinate system centered in the piYearth, with the X-axis pointing towards the vernal equinox for the year 2000, the Z-axis eiEXZpointing towards the north celestial pole for the year 2000, and the Y-axis orthogonal to @iicboth. [qobservation.postnstz] UF UThjatPPC_CORR  # kooKTYPE=C*8 INSTRUMENT=HRS FILETYPE=SCI paired pulse correction: Correct the poi/kveWraw count rates for saturation in the detector electronics using table coccg2r, which rth;kr acontains the paired-pulse correction table. On the first call, the paired pulse parameters are HG@kPO7read from table ccg2. The following equation is used: copU`lxi x = y/(1-yt) c`me Where: thq`norx -- is the true count rate, r`oio!y -- is the observed count rate, nd0.<syHH inHHi(ea`pis,t = q0 if y is less than or equal to F, and ea`q e.t = q0 + q1 * (y - F) if y is greater than F. $`rr )q0, q1, and F are coefficients in ccg2r. 2`sic0This is a standard calibration step. (calguide) atKUT UThtPRECISN   Z`uEN0number of diodes used to map (HIGH=1,NORMAL=2): cttUR UThvPREFCORR   wraVDo preflash correction: YES, NO, DONE: If the value in keyword PREFTIME is less than wpuYzero, the preflash image reference file is scaled and subtracted from the input science kw\image. The preflash image is multiplied by the preflash lamp exposure time (obtained from mwVthe keyword PREFTIME in the input science image header and expressed in seconds) and wTthen subtracted from the input science image. If the keyword PREFTIME = 0, the CTE wZfixup is applied. The names of the preflash or CTE image and its DQF must be provided in @w0the keywords PREFFILE and PREFDFIL. (calguide) r UP UThxPREFDFIL  `yci$name of the preflash reference DQF: ThUN UThzalPREFFILE   {UTXPreflash Files (PRF): The WF/PC Preflash Reference File and its associated data quality MA){[file are used to remove the signal introduced by the preflash lamp. This signal is removed val5{TI_by subtracting this reference file. The reference file is scaled by the preflash exposure time racA{ s]to allow for variations in the requested preflash exposure. The subtraction of the reference oM{ed_file corrects for the uneven illumination pattern of the preflash image. Since the preflash is ed Y{^obtained by illuminating the backside of the shutter with an internal lamp, the difference in e{`reflectivity of the two shutter blades requires reference files specific to each shutter blade. n q@{FThe PREFDFIL is the name of the preflash reference data quality file. UL UTh|PREFTIME  `}la$Predicted preflash time in seconds: alUJ UTh~PRE_AMP    PRZscaled tube pre-amp contribution:  Pre-amplifier noise, in counts/seconds. Calculated by @ r%the calibration  software. (calhsp) lUH UThnaPROC_TYP   TIRlevel of reprocessing (NORMAL, MINOR, MAJOR): If the keyword is set to MINOR the Uproprietary date in DADS will not be changed and the data will not be automatically aen[distributed to the Guest Observers (GOs). If the keyword is set to MAJOR the proprietary magasTdate in DADS will be reset as if this were new data the data will be automatically h (@th.distributed to the GO as if it were new data. BUF UThtePRODTYPE  Q`spoutput product medium type: n kUD UThPROGRMID  z prZA base 36 program id assigned by the pm software to a proposal that has been accepted. (1-dds=HH PRHHam$r @ec46,655 possible ids) !UT UThthPROPOSID  0` lPEP proposal identifier: TJUR UThPR_INV_F  Y`OR&first name of principal investigator: sUP UThPR_INV_L  ` i%last name of principal investigator: aUN UThatPR_INV_M  `ri*middle initial of principal investigator: UL UThMA PSIZEi   t`Znumber of bits allowed for the group parameter number i. This is a required FITS keyword. UJ UThPSTPTIME  `itJyyyy.ddd:hh:mm:ss ... Predicted date and time of end of execution where:  `m yyyy is year, `RMddd is day of year, '`og hh is hour, d 5` tmm is minutes, haC`1-,ss is seconds.[qobservation.pred_stop_tm] ]UH UThPSTRTIME  l`Lyyyy.ddd:hh:mm:ss ... Predicted date and time of start of execution where: blz`yyyy is year, `ddd is day of year, i`UT hh is hour, PR`mm is minutes, st `in,ss is seconds.[qobservation.pred_strt_tm] UF UTh iPTSRCFLG  `P/E...HSP point source flag. `P = Point (default), l`st&E = Extended.[qexposure.pt_src_flg] UD UTh PTYPEi     heZName of the group parameter number i. This is a required FITS keyword. See the definition ,@for that group parameter name. cteFUB UTh ePT_EFFIC  U [scaled point source cathode efficiency:  Point source sensitivity relative to that of the is a_reference aperture,  unitless. This keyword is filled by the calibration software only  when ]UHm@PSthe target is a point source. dda>f HH HHdd*ay UT UThPURGCORR   SDo purge correction: YES, NO, DONE: The names of the superpurge image and its DQF red$UTRmust be provided in the keywords PURGFILE and PURGDFIL. The scaling is obtained 0@P 4from the keywords DARKTIME and PURGTIME. (calguide) .JUR UTh_fPURGDFIL  Y` !name of the purge reference DQF: hsUP UThnuPURGFILE   ywTSuperpurge Files (SPG): The WF/PC superpurge reference file and its associated data UTFFXquality file are used in the superpurge calibration procedure. The superpurge procedure tihaYremoves residual images of highly overexposed sources. However, it creates a non-uniform ftYresidual image over the entire detector which decays with time. The level of this global Yresidual image in a readout depends upon both the time since the purge was performed and UTZthe time since the last erase prior to the readout. The superpurge reference file must be pe[scaled and subtracted from all images obtained after a superpurge in which the residual is and@liVstill significant. The PURGDFIL is the name of the purge reference data quality file. UN UThPURGTIME   WTime since last SuperPurge (seconds):  The time of the observation, which was dredged  il_from qobservation,  is used to establish the search limit. 24 hours are subtracted from  the lit t]current observation time, and a join of qolink and qesiparm is  queried to determine if any e#ig]purge observations were taken within the  previous 24 hours. If one is found, the number of e/et`seconds is  calculated. If none are found, the limit of 24 hours (172800 seconds)  is written re;@ b$into the keyword PURGTIME. (cgwprg) rmUUL UThPXFORMT   d`er?format of the image: NORMAL, ZOOM: (pixel size) pixel format: r`sc4NORMAL: 512 samples, 512 lines 0.022x0.022 arcsec^2 up`3ZOOM: 512 samples, 1024 lines 0.044x0.022 arcsec^2 nt.UJ UThhePXLCORR    qu[split zoom-format pixels: Correct for zoom mode. If the image was taken in zoom mode, the rgeti_next step is to split the data values along the first image axis (the sample direction). For es l[example, suppose the first three digital number values (DN) in the image are A, B, C. The nd ndWfirst six DN values of the dezoomed image would be A/2, A/2, B/2, B/2, C/2, C/2. The  tareZlength of the first axis (NAXIS1) is doubled, and the length of the second axis (NAXIS2) @ndremains unchanged. (calguide) UH UThteRAD_VEL     kb(-300,000.,+300,000.)... radial velocity of a star the velocity of a star along the line of sight M:[of an observer. it is calculated directly from the doppler shift in the lines of the stars 022&@ spectrum.[qtargets.radial_vel] 02@UF UTh2 RASCASCN  O PXTright ascension of ascending node (revolutions): The right ascension of the line of t[ i]intersection of the orbital plane and the equatorial plane in the direction of the ascending tgsaXnode. A parameter of the flight software model of the HST orbit. See Appendix D of "HST mbs@th?Flight Software Examination for PCS" [wiephemeris.rt_asc_node] luedA/? CHH leHH, 'e UT UThonRA_APER    nd\right ascension of the aperture (deg): The right ascension of the reference position of the 0,$ rXaperture used for the group data. For WFPC group data, the aperture is indicated by the M:0itYvalue of the group keyword DETECTOR. For other SIs the aperture is that indicated by the <@(standard header packet keyword APEROBJ. RAVUR UThRA_APER1  e sc\right ascension of the aperture (deg): The right ascension of the reference position of the tiq@pl+aperture specified in the APER_ID keyword. ofUP UThRA_APER1   r \right ascension of the aperture (deg): The right ascension of the reference position of the Fl@in,aperture specified in the APERTURE keyword. UN UThRA_MOON     CYright ascension of moon in geocentric J2000.0 coordinates. The epoch is at the predicted T@RA/start of observation. [qobservation.rtasmoon] ofUL UTh): RA_REF   n nc]right ascension of the reference target position. This is in heliocentric J2000.0. Reference ,ndYtarget is that used for target acquisition. (Not yet supported. Always same as RA_TARG.) e@inobservation.ref_obj_ra] @6UJ UThde RA_SUN   dE UT^right ascension of sun in geocentric J2000.0 coordinates. The epoch is the predicted start of Q@e %observation. [qobservation.rtascsun] kUH UTh sRA_TARG   z of]Right Ascension of the target. The equinox of the target position is J2000. The epoch of the :on^target position is the predicted start time for the observation. (Fixed - Heliocentric J2000, @ UTherSCAN_ANG   Y(0.,360.) position angle of scan line. When SCAN_COR (qexsco) is equal to c, this is the odBatHH ctHHle)r ou_counterclockwise angle, about the beginning of the first scan, from north at the target to the le:):Wdirection of the first scan. When SCAN_COR is equal to v, this is the counterclockwise   Zangle from the positive v3-axis to the direction of the first scan. (1 x 10e-4 precision) ,@[qalignment.scan_angle] UDEUT UThSASCAN_COR  T sa`c/v...flag to indicate the scan coordinate frame of reference c = celestial frame (ra-dec), v = `@ Ovehicle (v2v3). Used to determine meaning of SCAN_ANG. [qalignment.scan_coord] SAzUR UThSCAN_LEN   saYscan length ( 0.,3600.) in arcseconds. The length of one continuous scan or the distance i@ lSbetween the first and last dwell point of the first line. [qalignment.scan_length] UP UThSCAN_RAT   ]scan rate ... the commanded constant rate of the line scan (slew of the ST optical axis from i@e >point a to b on the celestial sphere). [qalignment.scan_rate] UN UTh ):SCAN_TYP    n Zc/d/n ... continuous/dwell... scan type where c = a series of linear scans alternating in  to^direction and offset from one another by a small angle separation (a linear scan is a slew of   ]the ST optical axis from point a to b on the celestial sphere at a constant commanded rate); o le^d = like continuous with a specified number of dwell points per line and time to wait at each #@ nt8dwell point; n = not applicable. [qalignment.scan_type] =UL UTh  lSCAN_WID  L  he_scan width (0.,3600.) in arcseconds. The separation from the first to the last scan line along dweX rsSthe direction ANG_SIDE from the first scan line. Always zero when NO_LINES is one. d@ . [qalignment.scan_width] e ~UJ UTh slSCIDATA   `3science data present (T/F) (actual not predicted): e).UH UThra SCIDMP     Wintermediate data dump (-1 = nodump): Number of substep patterms between intermediate ine@ng7data dumps (-1 for no intermediate dumps) SE-01p3-267 notUF UThle SCLAMP   l`ewspectral calibration lamp: STUD UTh pSDECORR    e Wspectrograph de correction: Apply spectrographic detector efficiency correction. This d n ntbcorrection is only applied to spectrographic images. It includes both the flat-field correction ,ULXand a conversion from counts to flux density. It is applied after geometric correction T8 tVbecause the absolute sensitivity depends on wavelength, and a major function of the Din[geometric correction for spectrographic images is to align the spectrum with the axes and UTPATZset the dispersion. The correction is applied by multiplying by a spectrogaphic detector \MP_efficiency reference file. The use of an order-selecting filter can change the location of a etwhne]given wavelength on the photocathode, so there are several reference files; the appropriate t laone is selected based on the filters used. These files are full-frame (1024 x 1024), so only a @raRsubset will be used if the science image is smaller than 1024 x 1024. (calguide) dnlCapHH flHHan&nv UT UTh tSDEHFILE   erWSpectrographic Detector Efficiency Files (SDE): The spectrographic detector efficiency n w$aj^data files are used for the spectrographic DE calibration step. A spectrographic DE data file 0 wXhas the same form as an FOC image. It always has dimensions 1024 samples by 1024 lines. y <peZEach entry is a REAL*4 scaling factor that is used to multiply the corresponding pixel DN H c\count in the FOC science data file that is to be corrected. All images to be corrected will reT@reJfind their proper position inside the chosen spectrographic DE data file. nUR UThThSDMA3SQ   } 02S3 * (SDMEANAN**2). A value precomputed for the flight software. A parameter of the lle. Oflight software model of the HST orbit. See Appendix D of "HST Flight Software @*Examination for PCS" [wiephemeris.3sdma2] UP UThUTSDMEANAN   W2nd derivative coef for mean anomly (revs/sec/sec): A parameter of the flight software efTmodel of the HST orbit. See Appendix D of "HST Flight Software Examination for PCS" og@e iephemeris.sd_mean_anom] saUN UThimSEMILREC    s\Semi-latus rectum in meters: An orbital element related to the semi-major axis. It half the ed orawidth of the ellipse at one of its foci. It is equal to the semi-major axis times the difference d c]of one minus the square of the eccentricity. A parameter of the flight software model of the i#URGHST orbit. See Appendix D of "HST Flight Software Examination for PCS" A v/@oriephemeris.semilat_rect] eteIUL UThSEQLINE   X`l %PEP line number of defined sequence: TrUJ UThSEQNAME   ` foPEP define/use sequence name: UH UTh!SDSERIALS    "2nWserial clocks: ON, OFF: Determined by PODPS on the basis of the packet format code of @"moTthe observation. Serial clocks are on if the packet format code = 68x. (cgwsdh) UF UTh#[wSGESTAR    $UTAthe fgs id (f1, f2, f3) concatenated with the subdominant gs id. @$taobservation.subdominant] -maUD UTh%thSHTMODE   `& t4shutter mode: INBEAM, NOTUSED:[qexposure.shtmode] -m.UB UTh'e SHUTTER   =`(of1Shutter in place during preflash: A, B, UNKNOWN: tWU@ UTh)of SIMPLE   tf`*%image conforms to the fits standard: U> UTh+amSINEINCL  derDULHH HHed%nc ,YSine of the orbit inclination angle: A parameter of the flight software model of the HST D,Corbit. See Appendix D of "HST Flight Software Examination for PCS" ba @,foiephemeris.sin_orb_incl] @"9UT UTh-tiSKY_CORR  H .ck`sky subtraction: Subtract the sky from the object spectrum. If the sky was observed, the flat-fgT.coVfielded sky spectrum is smoothed with a median filter once and a mean filter twice---`.%^except in known regions of emission lines. The spectrum is then scaled by the aperture size, l.e Wand shifted so that the wavelength scales of the object and sky are matched. The sky WU@x.SIWspectrum is then subtracted from the object spectra. This routine requires table ccs3 am.`containing the filter widths, the aperture size table, ccs0, the emission line position table, .Zccs2, and the sky shift table, ccs5. This step is a spectroscopy mode calibration step. @.of (calguide) f tUR UTh/ SLICES   .`0 "number of time slices: natUP UTh1SMMMODE   `2_oDspectrographic mirror mechanism: INBEAM,NOTUSED. [qexposure.smmode] skUN UTh3btSOFTERRS  `4ru'number of "soft error" pixels (DQF=1): T1UL UTh5fiSOPNTIME  @`6h 0First shutter open time (Modified Julian Date): ZUJ UTh7exSPCLINCN  i 8liXspacecraft clock at UTC0: Value of the counter which is keeping count of the number of sou8gt\0.125 second ticks of the spacecraft clock. This value is as input from the ground. It is s8 o]updated only after spacecraft safings and/or when the difference in spacecraft time from a @8re:POCC time obtained from White Sands is 10msec.(ETS-a) UH UTh9cc SPEC_i   `:. spectral element i: (i=1..4) eUF UTh; SPORDER   `< tspectral order: UD UTh=SP_TYPE   `>lispectral type: "UB UTh? SRCHSIZE  1`@ra(width of spiral-search in dwell points: xpKU@ UThAUNSS_APER   Z`B1Planned (expected) entrance aperture id: APER_ID FtU> UThCSS_CAMMO  `D>Planned (expected) coronographic apodizer mask: CAMMODE (cf). dEecHH coHH o UT UThE0.SS_CAMRA  `Ft /Planned (expected) camera in use: CAMERA (cf). t i2UR UThG8 SS_DET   nA`Hft3Planned (expected) detector in use: DETECTOR (cf). e f[UP UThISS_DETOB  j`J W3Planned (expected) object detector: DETECTOB (cf). SPUN UThKSS_DETSK  `L(i0Planned (expected) sky detector: DETECTSK (cf). UL UThMtrSS_FCHNL  `NSP.Planned (expected) first channel: FCHNL (cf). UJ UThO?SS_FGWA   `P@/Planned (expected) disperser id: FGWA_ID (cf). KU@UH UThQSSSS_FILTi  `RPl+Planned (expected) value for FILTERi (cf). D F(UF UThSSS_GRAT   7`TDPlanned (expected) grating, echelle or mirror in use: GRATING (cf). QUD UThUSS_LEDMO  ``V9Planned (expected) led calibration status: LEDMODE (cf). zUB UThWSS_LINES  `X 2Planned (expected) lines per frame: LINEPFM (cf). U@ UThY).SS_LOFF   `Z .Planned (expected) line offset: LINEOFF (cf). U> UTh[CTSS_MODE   `\SS(Planned (expected) value for MODE (cf). (eU< UTh]teSS_NCHNL  `^4Planned (expected) number of channels: NCHNLS (cf). (eU: UTh_toSS_NXSTP  -``M4Planned (expected) number of x steps: NXSTEPS (cf). ecGU8 UTha: SS_OPRLY  V`bSS5Planned (expected) optical relay used: OPTCRLY (cf). spU6 UThcSS_OPTEi  `dIL1Planned (expected) optical element used: OPTELTi ldF HH ecHHAT f) UT UTheUSS_OVSCN  `fV3Planned (expected) overscan number: OVERSCAN (cf). ODE2UR UThgSS_PFILi  A`h0Preflash Filter i number (0-48): PFILTERi (cf). PF[UP UThiSS_PFTIM  j`j3Predicted preflash time in seconds: PREFTIME (cf). ). UN UThkCTSS_POLAR  `lSS0Planned (expected) polarizer id: POLAR_ID (cf). UTUL UThmCHSS_PTSRC  `nne9Planned (expected) HSP point source flag: PTSRCFLG (cf). UJ UTho SS_PXFMT  `p(e6Planned (expected) format of the image: PXFORMT (cf). UH UThq SS_SAMPS  `r(e3Planned (expected) samples per line: SAMPPLN (cf). (UF UThs SS_SOFF   7`t(e0Planned (expected) sample offset: SAMPOFF (cf). QUD UThuSS_SHTMO  ``v/Planned (expected) shutter mode: SHTMODE (cf). zUB UThwATSS_SMMMO `xVSBPlanned (expected) spectrographic mirror mechanism: SMMMODE (cf). U@ UThyURSTATICD  `z*number of "static defect" pixels (DQF=4): U> UTh{f)STDCFFF  `| -0=(no st dcf fill), 1=(st dcf fill present): mU< UTh}TISTDCFFP  `~SSst dcf fill pattern (hex): SSU: UThd)STEPPATT -`ULstep pattern sequence: C GU8 UThnSTEPTIME V` s1integration time at step pattern position (sec): SpU6 UThSUNANGLE `or4angle between sun and V1 axis (deg): Computed as: SSdPlGesHH HHt'Pl`am,sunangle = cosd(declnsun) * cosd(declnv1) *  -cosd(rtascsun - rtascnv1)+ (sind(declnsun) * d"@sind(declnv1)) AT0`'sunangle = acosd (sunangle)(cgaang) troIUT UThhaSUN_ALT  X y`altitude of the sun above Earths limb (deg):  The algorithm calculates the altitude using the {d ]rectangular  coordinates of HST and the coordinates of the sun from the SHP  header. For a Fp\long exposure, this wouldnt be as useful as, say,  the maximum altitude of the sun during UL|ue\the exposure. The other  problem of this algorithm is that it assumes a spherical earth,  te S`which results in an error of about 0.4 degrees. Another effect  is that it ignores atmospheric mparefraction. This will be very  small at high altitudes but can be as large as one degree near  @the horizon. (cgasun) UR UThsuSURFALTD  lnJplanetographic coordinate system parameters: altitude of surface feature. @observation.feature_alt] UP UTh =SURFLATD   UTJplanetographic coordinate system parameters: latitude of surface feature. @deobservation.feature_lat] s t$UN UThthSURFLONG  3 laKplanetographic coordinate system parameters: longitude of surface feature.For?@[qobservation.feature_long] dnYUL UTh, SURF_B   mh` sexpected B surface brightness: \thUJ UThhe SURF_R   t`haexpected R surface brightness: teUH UTh S SURF_U   `utexpected U surface brightness: thUF UThsp SURF_V  `acexpected V surface brightness: t hUD UThcaT51_ANGL    Yposition angle of motion of aperture (deg): This parameter is determined only for moving raRtargets (TARGET_TYPE=M). The position angle in degrees from North towards East of $at[the angular velocity which is arctan( a_E, a_N ) converted to degrees. (cect51) [a_N, a_E: te 0@ l3angular velocity in the North and East directions] bseJUB UTht]T51_RATE Y Urate of motion commanded (arcsecs/sec): This parameter is determined only for moving fePtargets (TARGET_TYPE=M). The magnitude of the angular velocity is sqrt(a_N**2 + mq s[a_E**2) [a_N, a_E: angular velocity in the North and East directions] times the conversion ex}@ri,factor from radians to arcseconds. (cect51) durHUFHH HHtn) h UT UThcaTARAQMOD ` H(00-03)...the target acquisition mode used for the observation. Where: o&` 00 = null, ra4`TY01 = ground assisted, B`No 02 = onboard computer assisted, P`ve803 = fixed simple pointing.[qobservation.target_acqmd] cejUR UThe TARDESCR y ci^target description:  The Target Description will be one of the key fields used by archival  omWresearchers in searching through the HST data archive; thus it is  important that the Pta=M\information be filled out completely and accurately  for each target, and following a well-, itZdefined format.  Each target should be assigned one and only one Target Category.  This co^should be followed by as many Target Keywords (at least one is  required) as are relevant. @(PROP_INST--SEC_5.TEX;1) UP UTh hTARGCAT  `target category: `rgSTAR Galactic stellar object e e:.STAR CLUSTER Galactic star cluster, group, or @ g association , `No)INTERSTELLAR MEDIUM Galactic gas or dust "` f$EXT-STAR Star in an external galaxy rg0`UT/EXT-CLUSTER Star cluster in an external galaxy ^ta>` 5EXT-MEDIUM Interstellar medium in an external galaxy eL`GALAXY Galaxy, AGN, or QSO inZ` t,GALAXY CLUSTER Cluster or group of galaxies ath`(PROP_INST--SEC_5.TEX;1) lUN UTh aTARGDIST  nd[distance to target from Earths center (km): This parameter is determined only for moving e a CWtargets (TARGET_TYPE=M). This is calculated using the time of the observation and the easd)_Chebychev coefficients for that target. The software determines the geocentric position data ]for position (3-vector in kilometers) and velocity (3-vector in kilometers per second). The :@ac>target distance is the norm of the position vector. (cect51) UL UThNoTARGNAME ` oproposers target name: fUJ UTh aTARKEYi  `Ttarget key description number i: (i=1..10) Key description entered by the proposer. UM-UH UThumTAR_TYPE <`/P/A/M/G/I.....specifies the target type where J`LUP = point target, X`A = area target, Pf`X;G = generic target, at`*M = moving target.[qtargets.target_type] d iImoHH etHHng*im UT UThonTECTEMP  `ChTEC temperature (Celcius): t t2UR UThe THRESH  gA`n PPAD (Pulse Amplitude Discriminator) threshold setting for the object detector: (3[UP UTherTIME-OBS j UUT time of start of observation (hh:mm:ss):  PODPS calcuted time using packet times ovZgenerated at the spacecraft at the time of the data measurement. The seconds place is not ey`always  accurate as the fractions of a section information is discarded rather  than used for TARrounding. (ETS-d) FOS: merely the FPKTIME translated from MJD (keeping only whole , Wseconds) see EXPSTART for relation to shutter opening. (ETS-d) WFPC: Note that this is mo[not necessarily the start of the exposure.  For example, the WFPC observation starts on a moYmajor frame  pulse, while the exposure actually starts 16.4 seconds later  following a E@memory clear. See EXPSTART. (CUN UThUTTIMEBIAS  ]instrument time bias (in 1/1.024 microseconds): The value of the time biases that is used to 3eracorrect the integration time for internal instrument delays. The timebias is a function of the timPparticular HSP data format (BYTE, WORD, LWRD, ALOG, or ALL) and the instrument ur @ p)mode (SCP, ARS, SSP1, or SSP2). (cgptme) a%UL UThctTIMEFFEC 4 isXThe time the parameters took effect onboard; given in the form of the number of seconds KT@@m (since 1/1/85. [wiephemeris.time_effect] , ZUJ UThSTTRAILER  i`g.reject array exists: tUH UThTRK_TYPE  stXtrack 48 or track 51 commanding used (T48, T51, NO): Specifies the ST pointing mode. If ls\the pointing mode is track48 or track 51, the target must be a moving target. Track 51 mode mePS[is a single uninterruptable profiled slew command which tracks along a great circle. Track 1.0S48 is the secondary motion command which can follow more complicated motions using tio@al?fourth degree polynomials. [qalignment.pointing_mode] (cecqal) UF UTharTRUE_CNT  , Ycompute the true count rates: Compute the true count rates. This switch applies only to c\digital data, it has no effect on analog data. True counts are corrected according to the en@e following equation: `siz = (y-d-e)/(h*r) `, Where: -`+z is the final calibrated true count rate, : t;`y is the observed count rate, I`trd is the dark signal, W`cie is the pre-amplifier noise, e`ls"h is the high-voltage factor, and s` mr is the relative sensitivity. mod 8If the target is an extended source (i.e., the value of icdckJHH ndHH u+ioal;the header keyword PTSRCFLG is "E"), z is further divided al)@"by the aperture area. (calguide) -UT UThtrTRUE_PHC  < coZcompute the true photocurrents: Compute the true photocurrents. This switch applies only HTr\to analog data, it has no effect on digital data. True photocurrents are corrected by the T@(yfollowing equation: b`z = ((y-i)/g - d - e)/(h*r) fp`ueWhere: e,~`+z is the final calibrated true count rate, ` d"y is the observed digital number, `eri is the CVC offset, `h-g is the gain factor, `r d is the dark signal, `e is the pre-amplifier noise, `.,"h is the high-voltage factor, and `r is the relative sensitivity.  nd8If the target is an extended source (i.e., the value of he;the header keyword PTSRCFLG is "E"), z is further divided @he"by the aperture area. (calguide)  UR UTh_PTUBEGAIN! / utZscaled tube gain factor:  Gain factor used to convert digital numbers (DN) in the analog ;naZmode  to count rates, in DN/(counts/second). This keyword is filled by the  calibration G@fo.software only for analog data files. (calhsp) aUP UTh*rUNICORR " p e,_uniform de correction: Flat field correction (normal images only). This correction is called e o|mb]the uniform detector efficiency correction, and it is applied by multiplying by the uniform d ^detector efficiency reference file, which is the reciprocal of a flat field. These reference e [files are full-frame in size, which is 1024 x 1024 because we have dezoomed. As with the thend^dark-count correction, if the science image is smaller than full-frame then only a subset of @'the reference file is used. (calguide) a. UN UThUTUNIHFILE#  VUniform Detector Efficiency Files (UNI): The uniform Detector Efficiency (DE) files---Walso known as relative detector efficiency files---contain data used to remove the FOC th[instruments spatial non-uniformities from the FOC science data. This step is known as the Wuniform DE calibration. A uniform DE file has the same form as an FOC image. It always isVhas dimensions 1024 samples by 1024 lines. Each entry is a REAL*4 scaling factor used  Xto multiply the corresponding pixel DN count in the FOC science data file that is to be at@re corrected. 7UL UThe UNITAB $ sF`2table of relative detective efficiency filenames: `UJ UThda UTC0 % ecto e TCoordinated Universal Time (Modified Julian Date): This value is as input from the re{(c^ground, it is updated only after spacecraft safings and/or when the difference in spacecraft dr K--HH s HHin(usOCWtime from a POCC time obtained from White Sands is 10msec. (ETS-a) (UTC02 * 2**32 . TasW+ UTC01) give the decimal value of the VAX 64 bit time format which, when translated, as alWgives the reference UTC0 in MJD of the spacecraft clock. i.e. UTC when the spacecraft REA,@ u$clock read SPLINCN ticks. (ETS-c) thEUT UThxe UTCO1 & thT` fbytes 5-8 of UTC0: nUR UThco UTCO2 ' UL} UN`bytes 1-4 of UTC0: Decimal representation of bits 1-4, using a place value for each bit as if @ctKthey were bits 5-8. i.e, the given value is really UTC02 / 2**32. (ETS-d) s vUP UThroV2APERCE(  ndWV2 offset of target from aper. center (arcsec): The X component of the aperture offset \position in the ST coordinate system. The V2 offset of the target from the aperture center. @inobservation.v2v3_xcoord] WtiUN UThmeV3APERCE)  0mWV3 offset of target from aper. center (arcsec): The Y component of the aperture offset thefo\position in the ST coordinate system. The V3 offset of the target from the aperture center. sp @e.observation.v2v3_ycoord] ,%UL UThclVAC_CORR* 4 th\vacuum to air correction: Apply vacuum-to-air correction to the wavelengths. This routine @@ULQconverts vacuum wavelengths to air wavelengths above 2000 Angstroms. (calguide) ZUJ UTheaVDATAFMT+ i`ct Format of current observation: enw`TC 1: byte, `UT 2: word, o` 3: longword, d`ge 4: analog `Th7: all nenUH UThofVELABBRA,  ti^aberration in position of the target: Magnitude of aberration due to ST and earth velocities. se]This is the absolute angular correction that must be applied to the apparent position of the tenStarget as seen from the ST to compensate for the velocity of the ST and the earth. n i@e [qobservation.velabbra] heUF UThpeVELOCSTX- % e.\velocity of space telescope along the x axis (km/sec): X component of the velocity of space um1: Xtelescope in geocentric J2000,0 inertial coordinates. This is a orthogonal right handed co=leUcoordinate system centered in the earth, with the X axis pointing towards the vernal FI]equinox for the year 2000, the Z axis pointing towards the north celestial pole for the year TU@A2000, and the Y axis orthogonal to both. [qobservation.velocstx] oUD UThllVELOCSTY. ~ \velocity of space telescope along the y axis (km/sec): Y component of the velocity of space SdLabHH t HH t'etXtelescope in geocentric J2000,0 inertial coordinates. This is a orthogonal right handed atUcoordinate system centered in the earth, with the X axis pointing towards the vernal p g ]equinox for the year 2000, the Z axis pointing towards the north celestial pole for the year g,@inA2000, and the Y axis orthogonal to both. [qobservation.velocsty] EUT UThteVELOCSTZ/ T h \velocity of space telescope along the z axis (km/sec): Z component of the velocity of space a`dsXtelescope in geocentric J2000,0 inertial coordinates. This is a orthogonal right handed nalvaUcoordinate system centered in the earth, with the X axis pointing towards the vernal pxg ]equinox for the year 2000, the Z axis pointing towards the north celestial pole for the year @A2000, and the Y axis orthogonal to both. [qobservation.velocstz] UR UThVFAPVECX0  e WVector pointing from the desired position of the candidate to the home position of the te_image. The vector is set by the user with a default of 0. It can be used to point from a small ]eq@ 2Lobserving aperture to the center of the finding aperture image. (norton.51) UP UTh, VFAPVECY1   [WVector pointing from the desired position of the candidate to the home position of the y oal_image. The vector is set by the user with a default of 0. It can be used to point from a small n g@inLobserving aperture to the center of the finding aperture image. (norton.51) co UN UThntVFCENVEX2 /   p_Vector from the coarse target to the target centroid. The vector points from the coarse target tow;@ esEto the centroid of the targets individual measurements. (norton.52) oUUL UTh bsVFCENVEY3 d  _Vector from the coarse target to the target centroid. The vector points from the coarse target atep@ ioEto the centroid of the targets individual measurements. (norton.52) wUJ UTh . VFCTVECX4   ll\Vector from the center of the finder image to the coarse target. The vector points from the to Wcenter of the finding aperture image to the row and column representing the candidate. f t@  (norton.51) ofUH UThVFCTVECY5   b\Vector from the center of the finder image to the coarse target. The vector points from the obo Wcenter of the finding aperture image to the row and column representing the candidate.  @ p (norton.51) th UF UTh tVFFTVECX6  nt[Vector from the center of the finder image to the target centroid. This is the fine target mea'@.5Avector, representing the sum of VFCENVE and VFCTVEC. (norton.52) rAUD UTharVFFTVECY7 P ct[Vector from the center of the finder image to the target centroid. This is the fine target ivi\@ (Avector, representing the sum of VFCENVE and VFCTVEC. (norton.52) lvUB UThceVFOBJCNT8 d vMtoHH e HHmn&se e.Mcount of trg obj: Gives the total number (in the range between VFLOFLIM and Ve\VFHIFLIM) of Target Acquisition and Verification objects found. Only the brightest 20 are @ceBsaved, although this count could exceed that number. (norton.50) 9UT UTh VFOCUS 9 H`thfocus of the object detector: bUR UThVFOCUSn : q`e focus n: n=1..4 e UP UThhiVFOCUSD ;  Ufocus command value for object detector: Equivalent to VFOCUSDn for when the object @detector=n. (cgpulk) tUN UThceVFOCUSDn<  rgTfocus command value for detector n: n=1..4 Sets the 12bit DAC which determines the s@VFLinitial focus for the image dissector tube deflection current. (norton.36) UL UThVFPFACTX=  ZTarget Acquisition and Verification vector conversion factors. These constants define the Yconversion between the TAV image scale and the scale of the image projected by the Space @ a3Telescope on the face of the detector. (norton.47) ar6UJ UTh VFPFACTY> E !ouZTarget Acquisition and Verification vector conversion factors. These constants define the Q!ecYconversion between the TAV image scale and the scale of the image projected by the Space P]@!VF3Telescope on the face of the detector. (norton.47) fowUH UTh" VFSLWVEX?  #e [X component of the slew vector for Target Acquisition and Verification. This is the vector #s Sissued as a slew request. It represents the vector sum of VFFTVEC and VFAPVEC, and #iaUpoints from the desired observing aperture to the centroid of the targets inidivual @# measurements. (norton.52) UF UTh$erVFSLWVEY@  %s.[Y component of the slew vector for Target Acquisition and Verification. This is the vector the%e Sissued as a slew request. It represents the vector sum of VFFTVEC and VFAPVEC, and (no%UTUpoints from the desired observing aperture to the centroid of the targets inidivual e@%ctmeasurements. (norton.52) UD UTh&!VFTAVERRA  `'ma8TAV (Target Acquisition and Verification) error status: P:UB UTh(VF VGAIND B tI`)ecTgain setting: Gain setting of the object or sky depending on data source. (cgpsdh) encU@ UTh*orVGAINDn C r +ca^gain setting of detector n: n=1..5 Sets the value of the full-scale gain of the CVC (Current ~@+C 7to Voltage Converter) Full scale values allowed are: dedntNniHH urHHVF)`,%0: 1 nanoamp; `-2: 10 nanoamps; it$`.on3: 100 nanoamps; r2`/%6: 1 microamp; sl@`0re7: 10 microamps; mN`1AP (norton.36) gUT UTh2poVGAINDS D v`3er/gain setting of detector "sky":  See VGAINDn. UR UTh4meVHDEFLn E `5 horizontal deflection n: n=1..4 UP UTh6ge VHORIZ F n 7roYhorizontal deflection (command value) of the object detector: Equivalent to VHORIZn for e@7t %when the object detector=n. (cgpulk) hUN UTh8*VHORIZn G  9+^Horizontal deflection for detector n: n=1..4 Sets the 12bit DAC which determines the initial  @9+Ahorizontal image dissector tube deflection current. (norton.35) #UL UTh:VHORSTPTH 2 ;ni[no. of horiz steps/spatial point in area scans: Deflection steps correspond to about 4.42 >; n^microns on the face of the image dissector tube. If the incrementing process (starting with J; m_the initial deflection) causes the deflection value to exceed the 12-bit capacity (4096), the V@;4counter wraps and starts over at zero. (Norton.33) y"pUJ UTh<VHPOINTSI `= -no. of horiz points (columns) in area scans: nUH UTh>VIGHFILEJ  ?KVignetting Files (VIG): The removal of vignetting and wavelength-dependent val? e\photocathode variations is done using data from the vignetting files. Vignetting correction ?+Tfiles contain multiple groups of responses. Each group contains the responses for a e ?\particular carrousel position and line position. Within the group, responses are ordered by ?Qequally spaced sample positions determined by the keywords, SAMPBEG and SAMPOFF. @?t JData in the vignetting correction data files are stored in REAL*4 format. UF UTh@ntVIG_CORRK   AQremoval of vignetting nonuniformity: Remove vignetting and wavelength-dependent -A),[photocathode variations by dividing each count value by the vignetting response contained %AZin the vighfile file. This routine removes the vignetting and low frequency photcathode 1AYresponse using a reference file that has a vignetting map. This map is has a vignetting t=A?Vvector for multiple line position and carrousel positions. At each line position the IA^granularity is tabulated with a constant starting sample for all lines and a constant delta UA?]sample. To compute the response for the datas line and sample, tri-linear interpolation is baA?_used within the reference file over carrousel position, line position and sample position. If mAthVDoppler compensation is specified, the response is smoothed by a weighting function y@ANdescribing the motion of the data samples along the photocathode. (calguide) d),OonHH tHH%A UT UThBfiVNOINTPTL  Cvi_no. of integrations/pt in area scans: Number of integrations to be done at each of the points t h$@Cp._in an area scan. the default value for this parameter after initialization is 1. (norton.33) ous>UR UThDac VOFFn M n M`EA vertical offset bin n+1: n=1..6 thgUP UThFngVREQDET N v`Gnt0requested detector for the object observation: he`Hda!1: IDT1 (Image Dissector Tube 1) n`I!2: IDT2 (Image Dissector Tube 2) e`Jc!3: IDT3 (Image Dissector Tube 3) d`KIf!4: IDT4 (Image Dissector Tube 4) c`Lci5: PMT (Photomultiplier) hUN UThMfVSKYDET O `Nri"currently selected sky detector: `Oth!1: IDT1 (Image Dissector Tube 1) `P!2: IDT2 (Image Dissector Tube 2) `Q t!3: IDT3 (Image Dissector Tube 3) `RUT!4: IDT4 (Image Dissector Tube 4) +`Sno5: PMT (Photomultiplier) aEUL UThT iVVERSTPTP T UthYno. of vert. steps/spatial pt. in area scans: Deflection steps correspond to about 4.42 t`Ui^microns on the face of the image dissector tube. If the incrementing process (starting with lUUP_the initial deflection) causes the deflection value to exceed the 12-bit capacity (4096), the on:x@UH4counter wraps and starts over at zero. (Norton.33) IUJ UThVge VVERT Q e  WJVvertical deflection (command value) of the object detector: Equivalent to VVERTn for @W%when the object detector=n. (cgpulk) NUH UThXVS VVERTn R  Ycu\Vertical deflection for detector n: n=1..4 Sets the 12bit DAC which determines the initial @YDT?vertical image dissector tube deflection current. (norton.35) DisUF UThZVVPOINTSS  `[is-no. of vertical points (rows) in area scans: h%UD UTh\UL VXMOON T i4`]'Moon velocity: geocentric J2000 frame: ialNUB UTh^: VXSUN U ep]`_ou&Sun velocity: geocentric J2000 frame: wU@ UTh`im VYMOON V udstPHH caHH 2-%pa`an:'Moon velocity: geocentric J2000 frame: sta!UT UThb(N VYSUN W UJ0`cVV&Sun velocity: geocentric J2000 frame: JUR UThdma VZMOON X eY`eE'Moon velocity: geocentric J2000 frame: sUP UThf VZSUN Y ul`gX&Sun velocity: geocentric J2000 frame: UN UThhioWAVCORR Z  i 1\compute photometric parameters: Compute the absolute sensitivity. This does not affect the efinoYdata values. The inverse sensitivity, pivot wavelength, and RMS bandwidth are computed sianPand stored in the header of the output image. The zero-point magnitude and the ntialNobservation mode are also saved in the output header. See keywords PHOTMODE, @iU@0PHOTFLAM, PHOTZPT, PHOTPLAM, PHOTBW. (calguide) UL UThjWAV_CORR[  kWwavelength scale generation: Compute a vacuum wavelength scale for each object or sky n:keoVspectrum. Wavelengths are computed using coefficients stored in table ccs6. This is k J[computed differently for the gratings and for the prism. This step is a spectroscopy mode ic (@kUPcalibration step. (calguide) lBUJ UThlXWBLDASNR\ Q`mra"Blade A sensor: 0:closed, 1:open: kUH UThniWBLDBSNR] z`ors"Blade B sensor: 0:closed, 1:open: UF UThpecWCANLTIM^  q vYtime of cancel operation command: To obtain control of the exposure, a Cancel Operation qstWCommand is issued to the instrument a minimum of 16.525 seconds after the initiating iqmoWmajor frame pulse. The spacecraft time (in the same format as for WEXPOTIM) is stored TFL@qLAin WCANLTIM. (norton.22) LUD UThrWAWEXPOCMD_ `swaexpose command image:  UB UThtumWEXPODUR` `uor*Commanded duration of exposure (seconds): 3U@ UThvteWEXPOTIMa B wleZMajor frame pulse time preceding exposure start (cnts): Decimal representation of the 16 Nw s]low order bits (lsb) of the time tag given by the spacecraft to the major frame pulse (mfp) BZ@w0preceding the start of a WFPC exposure. (ETS-c) UHtU> UThxWBWEXPTMHIb  yBlZmajor frame pulse time preceding exp start (cnts): Decimal representation of the 16 high do   QexHH  HH st( ay sXorder bits (Msb) of the time tag given by the spacecraft to the major frame pulse (mfp) meyma^preceding the start of a WFPC exposure. (but using a place value for each bit as if they were y Plsb!. i.e, the given value is really WEXPTMHI/2**16) Spacecraft clock at mfp = ,@yCo$(WEXPTMHI*2**16 + WEXPOTIM) (ETS-c) : EUT UThzteWFCSTAT c T`{le#control/status word for exposure: posb |D00 if nominal WFPC microprocessor control of the sn@|ls shutters. | }he81 if NSCC-1 controlled the shutters. (generally meaning w@}e "an interrupted exposure.)(ETS-c) UR UTh~WBWFOCTMnnd  BlWtime of nnth open or close of B shutter: nn=1..15 Telemetered values to determine the gh @Zactual exposure time nn=odd: Time of shutter closing; nn=even: Time of shutter opening. UP UTh WORDS e a` s'number of HSP words samples in a line: by UN UThthWRD11_14f  Xword 11/14 ... A number assigned by sms for each observation. the word 11/14 is a count t Ywhich is kept for each instrument and updated for each observation using the instrument. '@:The count rolls over every 255.[qobservation.word_11_14] AUL UTh WSCALE g P`stScale factor for output image: jUJ UTh nWTIMEXPOh y  oTtime of 110 msec expose command: As its last action at the end of an exposure, the hellKWFSHCON command is executed. That command generates a 110 msec Executable YExposure Command to reset the WF/PC microprocessors shutter control logic, as well as lheQto initiate the CCD readout. The spacecraft time of this command is recorded in n@ttWTIMEXPO. (norton.22) UH UTheWWCANCM i  f Ucancel operation command bit: To obtain control of the exposure, a Cancel Operation  nWCommand is issued to the instrument a minimum of 16.525 seconds after the initiating r Wmajor frame pulse. The spacecraft time (in the same format as for WEXPOTIM) is stored @ov5in WCANLTIM and the bit WWCANCM is set. (norton.22) UF UTh WWLOGOF j   f\log overflow bit: The spacecraft times for the WFPC shutter opens and closes are recorded e+ iXin the telemetered fields WFOCTMnn. However, only the first 8 close commands ( and 7 ex7ndZadditional open commands) can be accomodated in the SHP. If more activity occurs, the Cs Ysubsequent times are not recorded, but the WWLOGOF flag is set to indicate that the log sO@thoverflowed. (norton.22) niUD UThtt WWSCAP k rx dshutter control application processor bit: This bit is set if, as its last action at the end of an exd   RiHH  umHH  "r Pexposure, the WFSHCON command was executed. That command generates a 110 msec ovQExecutable Exposure Command to reset the WF/PC microprocessors shutter control O @ UThe:YDATALIMw #` high byte of acquisition limit: al=U< UThUN YDEAD x L Xaccum close time: The accumulator "close time" (interval during which the accumulator vaX@flNcounting is disabled) is specified in units of 7.8125 microsecs. (norton.35) rU: UThxp YDEF y `tivertical deflection: nd   SntHH  HH X-!ti UT UThio YINTEG z   Wnumber of integrations/X-step: The number of integrations controls the number of open/FFS$^close time pairs of FOS Analog Signal Processor samples of the output from the rate limiter 0@t Cthat are done with no changes in magnetic deflection. (norton.34) JUR UThisYLINSFRM{ Y`packets per frame: sUP UTh( YLIVE |   Vaccum open time: The accumulator "open time" (interval during which the accumulator @Mcounting is enabled) is specified in units of 7.8125 microsecs. (norton.34) eUN UThYMCLEARS} `bl memory clears/data acquisition: 5 UL UThn. YMOON ~ ` 'Moon position: geocentric J2000 frame: tioUJ UThYMSLICES  `number of memory slices: #UH UThYNOISELM 2`burst noise rejection limit: oLUF UThYNUMCHNL [`at$number of channels to be processed: nsuUD UTherYOVRSCAN `clX-deflection overscan: aloUB UTh s YPITCH  u`e #Y-deflection pitch between diodes: e dU@ UThs YPOS  def`4)y-position on photocathode: SFU> UTh YPTRNS  t`UPpatterns per readout: U< UTh YRANGE  (`cu Y range: eBU: UThduYREADCYC Q`readouts/memory clear: enkU8 UThd YSPACE  1z`rtyrange * 32 / ysteps: dTtaHH n.HH  p n: UT UThfr YSTEP1  T`IC+first ystep data type: OBJ, SKY, BCK, NUL: y s2UR UTh YSTEP2  EA`,second ystep data type: OBJ, SKY, BCK, NUL: UT[UP UThCH YSTEP3  j`er+third ystep data type: OBJ, SKY, BCK, NUL: hUN UTh YSTEPS  ` onumber of y steps: UL UTh YSUN  `ti&Sun position: geocentric J2000 frame: UJ UTh YTYPE  `on!observation type: OBJ, SKY, BCK: UH UTh tYWRDSLIN ` rwords per line: (UF UTh YXBASE  7` eX-deflection base: YRQUD UThYXPITCH  ``r:"X-deflection pitch between diode: zUB UThYXSTEPS  `X-deflection sub-steps: U@ UThYXYDFTMP `XY-deflection focus: U> UTh YYBASE  T`YSY-deflection base: U< UThte YYPATH  J` spath identification: SU: UThYYPITCH  -`peY-deflection pitch: UTGU8 UThCHYYSTEPS  V`erY-deflection sub-steps: BJpU6 UThY_OFFSET ` 'y_offset for GIMP correction (diodes): dUSuHH : HH$ UT UThtyZACMODE1 `acquisition mode: &`wo0: spectral science data 4`1: focus diode field map -B`YR3: single frame P`(SO-01p3-424) jUR UThchZDOPMAG  y`QOCT (Observation Control Table) doppler shift correction magnitude:  See DOPMAG UP UTh ZFLUXM   cuQflux measurement at end of targ. acq. obs.: The flux measurement, taken through teVwhichever aperture (large or small), contains the target at the very end of a target ]acquisition observation. As the last (and always executable) phase of a target acquisition lBJOobservation, one more frame of data is obtained from the instrument. The flux cti@Wmeasurement is the sum of the counts of the 8 target acquisition diodes. SO-01p3-262. : UN UThZFSPYBF  `UT&control bits for spectrum y-balance:  `is,1: Spectrum y balance offset should be used ra`02: Spectrum y balance offset should be computed 1UL UThinZFXMAPC  @`(S)x deflection of the center of field map: ZUJ UThZFYMAPC  i`le)y deflection of the center of field map: UH UThZINTPER   XOCT (Observation Control Table) integration period (number of 50 ms slices): Number of teW50ms blocks accumulated internally to produce 1 line of science data (1-255). SE-01p3-@ac266. oUF UTh tZLCOEF1  `asline mapping function L0: UD UThBJZLCOEF2  `atline mapping function A: tUB UThti ZMOON  %`is'Moon position: geocentric J2000 frame: cqu?U@ UTh-0ZSCOEF1  N`ZF%first coefficient of sample mapping: ohU> UThm ZSCOEF2  w`1:&second coefficient of sample mapping: druVulHH inHHfl! o UT UThelZSCOEF3  `AP%third coefficient of sample mapping: i2UR UThf ZSCOEF4  A` ZI&fourth coefficient of sample mapping: [UP UTh  TZSPYBALU j` f spectrum y-balance offset: UN UTh 50ZSPYBLU  ` o spectrum y-balance offset: ta UL UThZSRCHLCE `UT;OCT (Observation Control Table) y increment for field map: g fUJ UThUTZSRCHLCF `;OCT (Observation Control Table) x increment for field map: ZMUH UTh ZSUN  'Mo`nt&Sun position: geocentric J2000 frame: (UF UTh ZTREFH  F7 t XOCT (Observation Control Table) time of zero doppler correction: Doppler shift 0 phase icCpiXtime (the time of zero doppler correction) Higher order bits in spacecraft clock units O@&(125ms since Jan 1,1979) SE-01p3-266 iUD UThelZXDCALP  x`AP*proportional x-deflection cal correction: UB UThZSZXDCALU  `fo'x comp null deflection cal correction: UTU@ UThBAZYDCALP  `tr*proportional y-deflection cal correction: U> UThZYDCALU  `ce'y comp null deflection cal correction: E g-------------------------------------------------------------------------- Sources: ETS: Ed T. Smith  OCSETS-a: Phone converstations with Jeff Lawson and Ed Kimmer at POCC. ETS-b: Cutler N Icomments in SOGS routine CGWCEX. ETS-c: WFPC SOGS Notebook ND-1002C, by H%VNorton. ETS-d: My inspection of science headers keyword values. ETS-e: Conversation 1Vwith CALFOS programmer, Steve Hulbert. ETS-f: My inspection of actual keyword names =@(ETS-g: Phase II proposal instructions. K`UT %?H5v %?HDDrr: h ZS   UDFHDvulFK5 ct&CqFGDIJAL =C?&71/2&4H, 4"/ /A{3'A2""/2C+$nC gl CiGFHDHKuldeigli7 +i#miF---CqHGIDGJK-- --C&1&^2/c4H)J4"&i/A{"ˣ'A#S"/#CwCsta2C IHJDFJert 2C=CF&CqJIKDHK CFIgl .+HKJD00GJqWFduonLeftdvenRighte kd C Reference d Cdlbd oddhads.d ddd d  d  d ! Kd! " qd"!#d#"$d$#%d%$&Cd&%'id'&(d(')id)(*--d*)+Gd+*,d,+-Jd-,./d.-/tad/.0Fd0/1Cd102Cd213 Cd324d435 d546!d657"Rid768#d879$d98:%d:9;&d;:<'d<;=(d=<>)d>=?*d?>@+d@?A,dA@B-dBAC.dCBD/dDCE0dEDF1dFEG2dGFH3dHGI4dIHJ5dJIK6dKJL7dLKM8dMLN9dNMO:dONP;dPOQ<dQPR=dRQS >dSRT ?dTSU@dUTVAdVUB=]D$$@= "$ Textf>9 CellBodyf? , CellHeadingAf@ 1FootnotefAT KHeadingdBodyfB P TableFootnotefCT  @ TableTitleT:Table : HH@E $ TList fF  CellHeadingfG CellBodyfHT   TableTitleT:Table : fI Body@J  Ta FHeader@K @eT e aFooter @L $TitleL$$ @M $ eSection$$ @N $Bo Subsection$@O tle$Ta BodyHH@P Bo$ AList$$ @Q Ta$er Section$$@R eT$ aTextHH@S  $Ti LAList$@U $$Se oBody zV   ion zV@   Emphasis   Subscript  @ Superscript   zVst _ ; Z@ =@ =@eujeThinfMediumgDoublehThick@i Very Thin eeeeeeeeegHHFGFHFGFHFGFHFGFHFGFFormat A efeeeeefHHFGFHFGFHFGFHFGFHFGFFormat B-=-.CommentsCourierTimes Helvetica Regular Regular BoldRegularItalicHû%d!eFJW:HJ7dp\9 akLuhp}Lڐdtrmۂ.! (9eORf:@ &6P'P҈B x.6́G}]W3ߙ B}W'Q#$yySڞԦ_Ka*%?}Tmޤx}oW`cKɆޭ~{%ğ7;V=ض&B/mG"o-:;UIeL{L}0xQ<4 J +d?'}5 gׇA -&D /G19Ə-+5u>8o=uR:`&e uh4q/X*w-3| 8@kAHqVy4_<ǔj( M]Ɯ>ρ3]CNiy{imq| &{j#Pr" EC}tdh n.ȋW'ZtO!iƌ;.>z ܰ /3W){ }= tc^ B"rq)]J:/!%