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Index

A

abbreviations in this manual F-1
aberrations FOC images 4-7
absolute photometry FOC 7-14, 8-4 NICMOS 18-9
absolute sensitivity FOC 6-3 FOC f/48 7-15 NICMOS 16-24 WFPC2 26-14
absolute spectrophotometry NICMOS grism 18-10
ACCUM mode inttag task, time slices 23-6 NICMOS 14-4 STIS, data storage 20-3
accuracy astrometric, FOC 8-6 astrometric, improving 3-10 CCD imaging 22-2 flatfield, FOC 8-5 flux, STIS 22-5 FOC 8-17 FOC f/48 spectroscopy 8-16 FOC photometry 8-3 MAMA imaging 22-2 MAMA, spectroscopy 22-2 polarimetry, FOC 8-7 STIS 22-3 STIS CCD spectroscopy 22-2 STIS target acquisition 22-3 wavelength, STIS 22-6 WFPC2 28-23
acquisition failure guide stars C-10
acquisition/peakup image STIS, analysis of 23-10 STIS, storage of 20-4
acronyms used in this manual F-1
algorithm calfoc 6-10 calnica 16-3 calnicb 16-13 calnicc 16-18 calstis 21-3
amplifier glow NICMOS 17-8, 17-12
analog-to-digital conversion NICMOS 16-5 STIS 21-15 WFPC2 26-7
analysis FGS TRANSFER mode 13-9 images, general in STSDAS 3-8 NICMOS polarization images 18-12 spectra, general in STSDAS 3-21 spectra, general tasks in IRAF 3-25 spectra, STIS 3-23 STIS, software tools 23-1
analysis package, STSDAS image analysis 3-2
apall task FOC f/48 spectra 8-16 FOC objective prism data 8-13


aperture FGS 9-6 NICMOS, correction 18-7 WFPC2, correction 28-13 WFPC2, zero point 28-2
apphot package aperture photometry 3-15
archive 1-1 to 1-24 access to 1-2 documentation 1-3 file names 2-1 FTP data retrieval 1-17 instrument search 1-8 searching 1-5 StarView access software 1-2 world wide web access 1-3, E-1
arithmetic imset, msarith task 3-13 spectra, splot task 3-27
array FITS table 2-9 NICMOS, readout 14-2
association STIS, described 20-6 table, NICMOS 15-2, 15-9
astrometry basic, in STSDAS 3-9 FGS 9-22 FGS 3 9-23 FGS modes 9-2 files, FGS 10-2 FOC, accuracy 8-6 improving accuracy 3-10 keywords, WFPC2 25-3 tasks in STSDAS 3-9 WFPC2 28-18

B

background FOC 7-11 FOC, scattered light 7-12 FOC, zodiacal light 7-12 geocoronal emission lines, FOC 7-12 NICMOS 16-10, 16-14, 16-19 running tasks in A-6
basic2d task STIS 2-D image reduction 21-2
bias jump, WFPC2 27-5
bias correction electronic, STIS 21-16 NICMOS 16-5 STIS 21-15 WFPC2 26-7, 27-2
binary star resolving, FGS 13-6
blemish FOC image 4-7
border effects FOC 7-5
BRIGHTOBJ mode NICMOS 14-4
buffer STIS 19-5

C

calcphot task FOC absolute sensitivity 6-10
calfoc task algorithm, changes to 6-10 FOC calibration 6-1 recalibrating data 6-10
calibrated science file NICMOS 15-2
calibration FGS 11-1 to 11-11 FGS POSITION mode 11-3 FGS TRANSFER mode 11-7 FOC 6-1 to 6-11 NICMOS 16-1-16-24 NICMOS grism spectroscopy 16-3, 16-16, 16-18 NICMOS photometric 18-2 re-calibrating WFPC2, when to 26-10 re-calibrating, FOC, when to 6-8 re-calibrating, NICMOS, when to 16-21 reference files, identifying 1-19 software, STSDAS 3-1 STIS 21-1 to 21-36, 22-1 STIS keywords 20-12 STIS reference file keywords 20-13 STIS, accuracy 22-4 STIS, Cycle 7 plan 22-4 switches STIS 21-31 switches, FOC 6-2 switches, NICMOS 16-13, 16-22 switches, see also "chcalpar" switches, see also "keywords" switches, WFPC2 26-13 WFPC2 26-1 to 26-23
calnica task algorithm 16-3 flatfield correction 17-7 NICMOS calibration 16-2
calnicb task mosaiced NICMOS image 16-10 NICMOS calibration 16-2
calnicc task NICMOS grism spectroscopy calibration 16-3, 16-16
calstis task development 21-35 environment variables, setting 21-34 process 21-3 recalibrating data 21-31 STIS calibration 21-1
calwp2 task development 26-12 WFPC2 calibration 26-2, 26-3
camera FOC 4-1 WFPC2 24-1
catalog see "archive"
CCD contamination, WFPC2 28-6 imaging accuracy 22-2 spectroscopy, accuracy 22-2 STIS, cosmic ray rejection 21-17 STIS, described 19-3 WFPC2, readout modes 24-3
centroid errors, FGS POSITION mode 12-2
charge transfer efficiency WFPC2 28-11
charge trap WFPC2 26-22, 28-14
chcalpar task FOC calibration switches 6-10 NICMOS calibration switches 16-22 STIS calibration switches 21-31 WFPC2 calibration switches 26-13
chop pattern NICMOS background 16-15
chromatic response see "color error"
clock serial, WFPC2 28-15
CoarseTrack FGS 9-17
color transformation, WFPC2 28-14
color dependence NICMOS flatfield 17-6
color error laterl, FGS 12-8
command see "task"
commands splot cursor 3-28
component table HST, synthetic photometry 6-9
contamination CCD, WFPC2 28-6
control FGS 9-15
conversion analog to digital, see "analog-to-digital" counts to flux or magnitude 3-15, 8-14, 18-3 flux to wavelength, resample task 3-21 sensitivity units, STIS 23-3
cool down WFPC2 28-9
cosmic ray identification, NICMOS 16-9, 17-14 rejection, STIS 21-17 WFPC2 co-aligned image 26-20 WFPC2 cosmicrays task 26-18
COSTAR FOC KX_DEPLOY keyword 5-4 FOC PHOTMODE keyword 6-8 FOC sensitivity 6-5 FOC, effect on 4-1
count rate FOC, nonlinearity 7-2
counts flux conversion 3-15, 8-14 long vs. short, WFPC2 28-11 magnitude conversion 3-15
cursor splot commands 3-28
Cycle 7 STIS calibration 22-4

D

dark current subtraction, WFPC2 27-3 glow, WFPC2 27-4 NICMOS MULTIACCUM, synthetic 17-8 pedestal, NICMOS subtraction 17-7 STIS 21-19 subtraction, NICMOS 16-7 subtraction, WFPC2 26-8 synthetic, uncertainty 17-10 WFPC2, warm pixels 26-11
data analysis software, STSDAS 3-1 archive, retrieving files from (see also "archive") 1-1 parameter types, IRAF A-9 proprietary, retrieving 1-3 STIS, described 20-1 to 20-18 storage, STIS 19-5 tape, reading 1-22
data quality PDQ files B-3 STIS 20-13 STIS, calibration 21-20 STIS, flags 20-14 WFPC2 calibration 26-9 WFPC2, flags 26-10
database synphot A-15
dataset FGS 11-1 NICMOS 15-2 retrieving from archive 1-12 see also "imset" WFPC2 25-1
deconvoluation WFPC2 images 28-20
definitions terms used in this manual F-1
detector background, FOC 7-11 STIS MAMA 19-3 STIS, described 19-2
detector distortion FOC 6-5
dezoom image FOC PIXCORR 6-2
dezoomx task FOC dezeooming 6-10
differential photometry NICMOS 18-4
diffuse galactic background FOC 7-12
digiphot package PSF subtraction 18-11
disconlab task position display 3-9
dispersion coefficients, STIS 21-25
dispersion curve FOC 8-13
display display task 3-4 image 3-4 SAOimage 3-6 spectra 3-17
display task images in STSDAS 3-4
distortion detector, FOC removal 6-5 optical field angle, FGS 12-7 optical, FOC removal 6-5
dither pattern NICMOS background 16-15
documentation archive 1-3 IRAF 3-32 STSDAS 3-32 world wide web locations E-1
Doppler shift STIS MAMA 21-19
drift FGS 13-11
drift correction FGS POSITION mode 11-6, 12-12
drizzle software WFPC2 28-21
dropout data, FOC 5-10

E

earth reflection WFPC2 27-9
echelle spectra echplot task 3-19 STIS capabilities 19-6
echplot task plot echelle spectra 3-19, 23-2
edge warped, FOC image 4-7
emission line filters, NICMOS 18-9
engineering data OMS logs C-1
environment variable IRAF A-10
eparam task editing parameters A-8
error image STIS 20-13
error sources FGS 12-1 WFPC2 27-1
exposure log sheet FOC 5-8 NICMOS 15-20 WFPC2 25-9
exposures multiple, NICMOS, combining 16-14 time, WFPC2 28-15
extended source FOC, nonlinearity 7-3
extension FITS file 2-3 FITS, appending 2-6
extracted spectra STIS, storage 20-5

F

f/ratio FOC and COSTAR 4-1
Faint Object Camera see "FOC"
FGS astrometry 9-22 calibration, process 11-2 CoarseTrack 9-17 color error, lateral 12-8 control 9-15 described 9-2 differential velocity aberration 12-10 errors 12-1 FGS 1R 9-13 FGS 3, astrometry 9-23 field of view 9-6 files, astrometry 10-2 FineLock 9-18 guiding 9-21 jitter, dejitter 11-5 lever arm length 12-10 mixed mode 9-22 mode, FOC observations 5-10 modes, astrometry 9-2 offset angle 12-10 optical field angle distortion 12-7 optical path 9-2 optics 9-3 plate overlay 13-3 POSITION mode 9-2, 9-22 POSITION mode, calibration 11-3 POSITION mode, errors 12-1 S-curve 9-8 see also "POSITION mode" and "TRANSFER mode" target acquisition 9-16 telemetry data 10-1 TRANSFER mode 9-2, 9-21, 9-22 TRANSFER mode, analysis 13-9 TRANSFER mode, calibrating 11-7 TRANSFER mode, errors 12-14
FGS 3 astrometry 9-23
fgs_plotter tool display FGS data 13-2
field dependence FGS, S-curve 9-10
field of view FGS 9-6 FOC 4-4 WFPC2 24-3
file PostScript, creating 3-20 STIS FITS, structure 20-2 trailer, WFPC2 26-2
files astrometry 10-2 data formats A-11 data quality (PDQ) B-3 FGS 10-2 FGS dataset 11-1 FITS, working with 2-4 FOC geometric correction 6-7 FOC sensitivity 6-5 naming conventions B-1 naming conventions, FOC 5-1 naming conventions, NICMOS 15-1 naming conventions, STIS 20-7 observation log B-3 observer comments (OCX) B-3 retrieving from archive 1-1 through 1-24 rootname B-2 specifying, STIS 3-18 trailer B-3 WFPC2 calibration 26-6 WFPC2 dataset 25-1
filter transmission curve FOC, errors in 7-15
filters FOC, available 4-4 FOC, image shift 7-13 NICMOS, available 14-2 see also "polarizer"
Fine Guidance Sensors see "FGS"
FINE LOCK guidance C-9
FineLock FGS 9-18
fingers FOC image 4-7
FITS FGS files 10-5 files, working with 2-3- to 2-9 format, described 2-3 GEIS files in 2-11 STIS file structure 20-2 strfits FITS reader task 1-22 table 2-7 table, array in cell 2-9 tape, files on 1-22
fitting package fit spectra 3-29 tasks in 3-29
flag see "data quality"
flatfield FOC 6-9 FOC, accuracy 8-5 FOC, border effects 7-5 FOC, f/48 external UV image 7-7 FOC, f/96 external UV image 7-6 FOC, format dependence 7-9 FOC, residuals 7-5 NICMOS 16-8 NICMOS grism 16-20 NICMOS, color dependence 17-6 NICMOS, errors 17-1 NICMOS, on-orbit 17-1 NICMOS, thermal vacuum 17-1 NICMOS, uncertainty 17-2 STIS 21-20 WFPC2 26-8, 26-12 WFPC2 errors 27-2
flatfield correction FOC 6-7
flux accuracy, STIS 22-5 combine with wavelength, mkmultispec 3-21 correction, STIS 21-26 from counts 3-15
FOC astrometry, accuracy 8-6 background 7-11 background, geocoronal emission lines 7-12 background, scattered light 7-12 blemishes 4-7 calfoc task 6-1, 6-10 calibrating, when to 6-8 calibration 6-1 to 6-11, 7-2 characteristics 7-1 COSTAR, KX_DEPLOY keyword 5-4 described 4-1, 7-1 dezoom image 6-2 errors 7-1 to 7-16 errors, absolute photometry 7-14 f/48 spectroscopy 8-15 f/48, absolute sensitivity 7-15 f/96, absolute photometry errors 7-14 field of view 4-4 file names 5-1 filters 4-4 fingers, image 4-7 flatfield accuracy 8-5 flatfield correction 6-7, 7-5 flatfield files 6-9 geometric correction 6-5, 6-9, 7-4 image features 4-7 image shift 7-13 image, thumbprint 4-7 keywords 5-2, 6-2 long-slit 8-14 nonlinearity 7-2 objective prism 8-10 observation, proposed and actual 5-7 paper products 5-10 pattern noise 7-8 photometry 8-1 polarimetry 8-7 polarizers 4-6 PSF 8-2 recalibrating data 6-10 reseau marks 4-7, 6-5, 7-8 sensitivity 4-5, 6-8 sensitivity files, status of 6-5 spatial resolution 4-2 spectroscopy 4-6, 8-14 time variability 7-9 warped edge 4-7
focprism package FOC objective prism data 8-13
format archive data retrieval 1-13 dependence, FOC flatfield 7-9 dependence, FOC sensitivity 7-10 IRAF and STSDAS files A-11
FOS display spectra 3-17
FTP archive data retrieval 1-17
fwplot task spectra display 3-18

G

gain variation WFPC2 28-12
GEIS format described A-11 header file 2-12 working with 2-12
geocoronal emission lines FOC background 7-12
geometric correction FOC 6-5, 6-9, 7-4 STIS 21-21
geometric distortion correction 3-9 FOC f/48 8-17 WFPC2 28-12
ghost image NICMOS 17-11 WFPC2 27-6 WFPC2, bright objects 27-7
GHRS display spectra 3-17
glow amplifier, NICMOS 17-8
grating wheel described, STIS 19-3
grism absolute spectrophotometry, NICMOS 18-10 NICMOSlook program 16-3 spectroscopy, NICMOS 16-3
grot 17-13
group FGS file 10-3 number in image 2-12 WFPC2 image 25-2 working with 3-7
grspec task plot groups 3-18
guidance mode observation log C-9
Guide Star Catalog accuracy, FOC 8-6
guide stars acquisition C-9 acquisition failure C-10 dominant roll C-9 number used C-9
guiding FGS 9-21

H

hardcopy see "print" or "paper products"
header file, GEIS 2-12 file, NICMOS 16-5 FOC keywords 5-2, 6-2 keyword, inheritance in FITS 2-6 keywords, WFPC2 25-3 NICMOS keywords 15-10 WFPC2 keywords 26-3
header data unit FITS file 2-3
headit task WFPC2 header 25-3
hedit task set STIS keywords 21-33 set WFPC2 keywords 25-10
heliocentric reference STIS 21-27
help email E-1 STSDAS and IRAF tasks 3-2, A-6 world wide web addresses E-1
histogram WFPC2 26-9
history record WFPC2 26-3
hole in the mirror calibration system, STIS 19-4
Hubble Data Archive see "archive"

I

icons used in this manual xx
igi plotting with 3-20 printing plots 3-19
image deconvolution, WFPC2 28-20 display 3-4 FOC, blemishes 4-7 FOC, features 4-7 FOC, reseau 4-7 GEIS file 2-13 plot data, implot 3-10 reconstruction, deconvolution 28-20 section 3-7 see also "FITS" STIS calibration 21-15 STIS capabilities 19-7 STSDAS tasks 3-2 warped edges, FOC 4-7 WFPC2, features 26-22, 27-5 WFPC2, residual 27-6 working with 3-2
Image Reduction and Analysis Facility see "IRAF"
image set see "imset"
image shift FOC 7-13
imarith task FOC flatfielding 6-11
imcopy task FITS files 2-6
imedit task removing defects, FOC image 7-8
imexamine task image display and plot 3-11
imgtools package multigroup GEIS images 3-2
imheader task examine FOC header 5-3 examine NICMOS header 15-17
iminfo task examine FOC header 5-3 examine NICMOS header 15-16 examine WFPC2 header 25-9
implot task plot image data 3-10
imset combination, msjoin task 3-14 extraction, mssplit task 3-14 statistics, msstatistics task 3-14 STSDAS tasks for 3-12
imtab task header to table 3-22
infostis task display STIS keywords 20-9
inheritance FITS header 2-6
insert mechanism calibration system STIS 19-4
instrument archive search, specifying 1-8 see "FOC", "FGS", "NICMOS", "STIS", or "WFPC2"
integration NICMOS 14-3
interferometric null FGS, locating 12-5
intermediate multiaccum science file NICMOS 15-2
Internet see "world wide web" E-1
inttag task STIS time-tag data 21-34
intttag task ACCUM image 23-6
IPPSSOOOT see "files, naming conventions"
IRAF basics A-1 described 3-1, A-1 documentation 3-32 obtaining A-13 parameter, data type A-9 piping A-6 psikern, PostScript 3-20 setup A-2 spectra analysis 3-25 tasks available A-1

J

jitter effect on target lock C-11 FGS 12-4 FGS, dejittering 11-5, 12-11 images from OMS C-1 plotting C-12 TRANSFER mode 13-10
jitter files 10-6

K

keystroke commands xx
keywords FITS header 2-6 FOC header 5-2, 6-2 NICMOS header 15-10, 16-13 see also "header" STIS calibration switches 20-12 STIS header 20-9 STIS reference files 20-13 WFPC2 calibration switches 26-3, 26-13 WFPC2 header 25-3 WFPC2 photometry 26-8

L

lever arm length FGS 12-10
light scattered, see "scattered light" stray, see "stray light"
line FOC, on image 4-7
linearization correction NICMOS 16-8
lock loss of, FOC 5-10
long-slit FOC, spectroscopy 8-14
lparam task viewing parameters A-8

M

magnitude from counts 3-15 Janskys, NICMOS data 18-8
MAMA accuracy, spectroscopy 22-2 described, STIS 19-3 Doppler shift 21-19 imaging accuracy 22-2 small scale geometric distortion 21-27
maneuvers small angle, FOC 5-10
markdq task mark data quality flags 18-2
math see "arithmetic"
metric task WFPC2 28-18
mixed mode FGS 9-22
mkiraf command IRAF setup A-2
mkmultispec task 3-21
mode FGS, astrometry 9-2 NICMOS, readout 14-2
mode selection mechanism see "grating wheel"
moiré pattern FOC image 4-7
mosaic NICMOS 16-10 NICMOS, constructing 16-15
mosaic file NICMOS 15-2
moving target acquisition C-11
Mr. Staypuft anomaly NICMOS 17-11
msarith task imset arithmetic 3-13
mscombine task combine imset 3-13
msjoin task combine imset 3-14 STIS data 21-35
mssplit task extract imset 3-14
msstatistics task imset statitistics 3-14
mstools package FITS image extenstions 3-2 image sets 18-1 STIS data 23-1
MULTIACCUM mode NICMOS 14-3 synthetic dark 17-8
multiple exposures combining, NICMOS 16-14
multispec format described 3-21

N

naming conventions files, FOC data 5-1 files, HST data 2-1
Near Infrared Camera and Mult-Object Spectrometer see "NICMOS"
newgeom task FOC geometric correction 6-11
nfit1d task 3-29
ngaussfit task 3-29
NICMOS absolute photometry 18-9 absolute sensitivity 16-24 ACCUM mode 14-4 amplifier glow 17-12 association table 15-9 bad pixel 16-5 BRIGHTOBJ mode 14-4 calibration 16-1 to 16-24 calibration process 16-22 CCD, described 19-3 cold pixel 17-13 cosmic rays 17-14 described 14-1 emission line filters 18-9 errors 17-1-17-14 file names 15-1 flatfield 17-1 grism spectroscopy 16-3, 16-16 grism, absolute spectrophotometry 18-10 grot 17-13 hot pixel 17-13 imset, STSDAS tasks 3-12 instrument signatures 17-11 keywords 15-10 MULTIACCUM darks 17-8 MULTIACCUM mode 14-3 overexposure 17-11 paper products 15-21 photometric calibration 18-2 pipeline calibration 16-1 polarization images 18-12 PSF 18-6 PSF, subtracting 18-11 RAMP mode 14-5 readout mode 14-2 recalibrating data 16-21 red leak 18-8 sensitivity, intra-pixel 17-13 shading 17-9 synthetic dark, uncertainty 17-10 vignetting 17-12 zeroth read, non-zero 17-11
NICMOSlook program grism spectroscopy 16-3
noise digitization, WFPC2 28-14
noise calculation NICMOS 16-7
nonlinearity FOC 7-2
null interferometric, locating 12-5

O

objcalib task FOC objective prism data 8-13
object detection grism spectroscopy, NICMOS 16-18
objective prism spectroscopy FOC 8-10
observation proposed and actual, FOC 5-7
observation log files B-3
Observation Monitoring System C-1
observer comment file described B-3
occulting fingers FOC image 4-7
ocreject task cosmic ray rejection, STIS 21-17
OCX file observer comments B-3
offset angle FGS 12-10
OMS observation log files B-3
optical distortion FOC 6-5
optical field angle distortion FGS 12-7
optical path FGS 9-2, 9-3 WFPC2 24-2
OPUS see "pipeline"
overexposure NICMOS 17-11

P

package IRAF concept A-4 STSDAS, structure 3-2, 3-3
paper products FOC 5-10 NICMOS 15-21 STIS 20-15 WFPC2 25-10
parallax measuring, FGS 13-3
parameter data types A-9 see also "eparam" and "lparam" setting, IRAF A-8
pattern noise, FOC image 4-7, 7-8, 8-6
PDQ file described B-3 FOC exposure 5-9
peakup STIS 19-4
Phase II see "proposal"
phot package aperture photometry 8-1
photometric correction NICMOS 16-9, 18-2
photometry basic, in STSDAS 3-15 differential, NICMOS 18-4 FOC, absolute 7-14 FOC, accuracy 8-3 FOC, basic 8-1 NICMOS, absolute 18-9 pixel centering, NICMOS 18-5 synthetic 3-16 system, WFPC2 28-2 WFPC2 photometric table 26-12 WFPC2, corrections 28-6 WFPC2, example 28-15 WFPC2, keywords 26-8 zero point, WFPC2 28-1
pipe IRAF task A-6
pipeline files produced by 2-1 FOC calibration 6-1 FOC, corrections applied 7-2 NICMOS calibration 16-1 see also "calibration" STIS calibration 21-1 STIS, output 20-1 STIS, software history 22-4
pixel bad, NICMOS 16-5 centering, NICMOS 18-5 centering, WFPC2 28-12 cold 17-13 hot 17-13 size, FOC zoom 6-2 transformation, FOC 6-6
pixel coordinate converting to RA and Dec 3-9
pixel data GEIS file 2-13
pixel response function WFPC2 28-19
plate overlay FGS 13-3
plate scale TRANSFER mode 13-14
plot igi task 3-20
point source FOC, nonlinearity 7-3
point spread function see "PSF"
pointing accuracy, FOC 8-6
pointing stability C-11
polarimetry FOC 8-7 WFPC2 28-16
polarization images NICMOS, analysis 18-12
polarizer FOC 4-6, 8-8 NICMOS 14-2 WFPC2 28-16
position RA and Dec in STSDAS 3-9 shift, FOC filter-induced 7-13
POSITION mode centroid error 12-2 dejitter, FGS 11-5, 12-11 drift correction 11-6, 12-12 errors 12-1, 12-11, 12-13 FGS 9-2, 9-22 FGS 3 9-23 FGS, calibration 11-3 rotation angle 12-2
post-calibration association table NICMOS 15-2
PostScript psikern, IRAF 3-20
pp_dads task generate paper products 20-15
print plots, igi 3-19
prism objective, FOC 8-10 spectroscopy, STIS 19-6
proper motion measuring, FGS 13-3
proposal comparing to data, NICMOS 15-20 keywords compared to Phase II, STIS 20-10 keywords compared to Phase II, WFPC2 25-8
proprietary data, retrieving 1-3
PROS software analyzing STIS data 23-6
PSF FOC 4-2, 8-2 FOC, errors in 7-14 NICMOS, subtracting 18-11 NICMOS, variation 18-6 WFPC2, variation 28-10
psikern PostScript IRAF kernel 3-20
pstack task plot samples as function of time 18-2

Q

QPOE data format see "PROS"
quality data, see "data quality"
quantum efficiency FOC 4-6 see also "sensitivity"

R

RAMP mode NICMOS 14-5
raw science file NICMOS 15-2
readout NICMOS mode 14-2 WFPC2 modes 24-2
recalibration FOC, running 6-10 FOC, when to 6-8 see also "calibration" STIS 21-30 WFPC2, when to 26-10
recentering jitter C-12
red leak NICMOS 18-8 WFPC2 28-14
reference file history, STIS 22-4
reference files archive retrieval 1-19 FOC, flat 6-9 FOC, geometric correction 6-9 identification of 1-19 retrieving, STIS 21-31 STIS, keywords 20-13 WFPC2 26-6, 26-13
reflex motion measuring, FGS 13-3
relative photometry FOC 8-3
resample task flux to wavelength 3-21
reseau marks FOC 4-7, 6-5, 7-8
residual image see "ghost image"
resolution FOC 4-2
Richardson-Lucy deconvolution 28-21
rmedian 17-8
roll TRANSFER mode 13-14
rootname see "files, naming conventions"
rotation angle error FGS POSITION mode 12-2
RSDP see "pipeline" or "calibration"

S

SAOimage display image 3-6
scattered light FOC background 7-12 WFPC2 background 27-10
S-curve FGS 9-8 FGS, field dependence 9-10 FGS, wavelength dependence 13-13
searching archive, search criteria 1-7
section image 3-7
sensitivity absolute, FOC 6-3 absolute, NICMOS 16-24 absolute, WFPC2 26-14 files, FOC 6-5 FOC 4-5, 6-8, 7-10 FOC f/48 7-15 format dependence, FOC 7-10 variations, intra-pixel, NICMOS 17-13
serial clock WFPC2 28-15
SExtractor program object identification 16-18
sgraph task plot group 3-18 plot STIS spectra 3-18
shading NICMOS 17-9 WFPC2 26-8
shift filter-induced, FOC 7-13 polarizer-induced, FOC 8-8
shutter shading, see "shading"
slew FGS observation 11-3
slit position, FOC f/48 8-16
slit wheel described, STIS 19-3
small scale geometric distortion MAMA 21-27
software IRAF A-1, A-13 see also "IRAF" and "STSDAS" STIS analysis 23-1 STSDAS 3-1, A-13
Space Telescope Imaging Spectrograph see "STIS"
Space Telescope Science Data Analysis System see "STSDAS"
spatial resolution FOC 4-2
specfit task fit models to spectrum 3-32
spectra analysis tasks,IRAF 3-25 analysis, STSDAS 3-21 analysis, tasks in STSDAS 3-26, 23-2 display 3-17 display, STIS 3-18 extraction, NICMOS grism 16-19 fitting 3-29 locate, STIS 21-28 overlapping, NICMOS grism 16-20 specfit task 3-32
spectroscopy accuracy, MAMA 22-2 FOC 4-6, 8-10 grism, NICMOS 16-3, 16-16 long-slit, FOC 8-14 objective prism 8-10 STIS capabilities 19-6
splot task cursor commands 3-28 plot spectra 3-27
spots FOC image 4-7
StarView archive software 1-2 command usage 1-5 dataset retrieval 1-12 observation logs C-8 search criteria, range 1-8
static mask WFPC2 26-7
steps calibration, see "keywords" or "calibration"
STIS ACCUM data, storage 20-3 accuracy 22-2 accuracy, resources 22-3 acquisition/peakup image 20-4 analysis tasks 23-2 analysis, preparing 3-23 bias level correction 21-16 calibrating, when to 21-30 calibration 21-1 to 21-36 calibration, goals 22-1 calibration, image 21-15 CCD spectroscopy accuracy 22-2 combining images 21-35 Cycle 7 calibration 22-4 dark signal 21-19 data quality 20-13 data quality, calibration 21-20 data storage 19-5 described 19-1 detectors 19-2 display spectra 3-18 echelle spectra, plotting 3-19 error array 20-14 file names 20-7 FITS file structure 20-2 flatfield 21-20 flux accuracy 22-5 flux correction 21-26 geometric correction 21-21 header keywords 20-9 hole in the mirror 19-4 imaging capabilities 19-7 imset, STSDAS tasks for 3-12 insert mechanism 19-4 keywords, calibration 20-12 MAMA 19-3 one-dimensional extracted spectra 20-5 paper products 20-15 peakup 19-4 proposal keywords, Phase II 20-10 PROS software 23-6 reference file history 22-4 spectroscopy, capabilities 19-6 target acquisition 19-4 target acquisition data 23-7 time-tag data, analysis 23-5 time-tag data, PROS software 23-6 time-tag data, storage 20-5 wavecal 19-4 wavelength accuracy 22-6
stray light WFPC2 27-10
streak WFPC2 pattern 26-22
strfits task 1-22
stripe pattern, FOC 4-7
STSDAS 3-1 to 3-33 astrometry 3-9 astrometry in 3-9 described A-1 documentation 3-32 image analysis tasks 3-12 image display 3-4 image, display 3-7 image, section 3-7 images 3-2 imset tasks 3-12 NICMOS calibration 16-2 NICMOS software 18-1 obtaining A-13 organization of 3-1, 3-3 photometry in 3-15 spectra analysis tasks 3-26, 23-2 synphot, database A-15 synthetic photometry 3-16 tables 3-2
suffix see "files, naming conventions"
superdark WFPC2 27-4
support file NICMOS 15-2, 15-9
switches see "keywords" or "calibration"
synphot database, obtaining A-15
synphot package FOC PSF 8-2 FOC sensitivity 6-8 HST component table, editing 6-9 synthetic photometry 3-16 WFPC2 absolute sensitivity 26-15 WFPC2 zero point 28-4
synthetic dark NICMOS MULTIACCUM 17-8 uncertainty 17-10
synthetic photometry see "synphot"

T

table FITS 2-7 STSDAS 3-2
tape data, reading 1-22 STSDAS on A-14
target acquisition accuracy 22-3 FGS 9-16 moving target C-11 STIS 19-4 STIS, analysis 23-7
target magnitude FGS, error 12-3
task IRAF concept A-5
telemetry data FGS 10-1
telescope guiding, FGS 9-21
thumbprint FOC image 4-7
time variability, FOC image 7-9
time-tag data inttag task 21-34 STIS, analysis 23-5 STIS, storage of 20-5
tomultipsec task extract STIS spectral orders 3-23
tracking FGS 9-16
trailer file described B-3 NICMOS 15-3, 15-10 WFPC2 26-2
TRANSFER mode calibration 11-7 data analysis 13-9 errors 12-14 FGS 9-2, 9-21, 9-22 FGS 3 9-23 structure, resolving 13-5 uncertainties 13-10
transformation pixel coordinates to RA and Dec 3-9
transmission curve see "filter transmission curve"
tread task display STIS association table 20-8
ttools package STSDAS tables 3-4
txtable task extract arrays 3-25
typographic conventions in this manual xx

U

uchcoord task WFPC2 28-19
uniform detective efficiency see "flatfield"
unit conversion, NICMOS 18-3 counts to flux/mag, conversion 3-15
Unix IRAF setup A-2
URL see "world wide web" E-1

V

variable IRAF, environment A-10
velocity aberration, FGS 12-10
vignetting NICMOS 17-12
VMS IRAF setup A-2

W

warm pixels WFPC2 26-16
warmpix task WFPC2 26-11, 26-18
warning types in this document xx
wavecal STIS 19-4
wavelength accuracy, STIS 22-6 calibration, FOC f/48 8-17 calibration, NICMOS grism 16-19 combine with flux, mkmultispec 3-21 dependence, FOC large-scale variation 7-9
Wavelengths 21-25
WFPC2 absolute sensitivity 26-14 accuracy 28-23 analog-to-digital conversion 26-7 astrometry 28-18 bias jump 27-5 bias subtraction 26-7 calibration 26-1 calibration process 26-5 calibration switches 26-3 calibration, process 26-3 charge transfer efficiency 28-11 charge trap 26-22, 28-14 co-aligned image, cosmic ray 26-20 color 28-14 cool down 28-9 cosmic ray 26-20 cosmic rays 26-18 dark 26-11 dark current subtraction 27-3 dark glow 27-4 dark image subtraction 26-8 data files 25-1 data quality file 26-9 described 24-1 drizzle software 28-21 earth reflection 27-9 error sources 27-1 exposure log sheet 25-9 exposure time 28-15 field of view 24-3 flatfield 26-8, 26-12, 27-2 gain variation 28-12 geometric distortion 28-12 ghost image 27-6 header keywords 25-3 histogram 26-9 optical path 24-2 paper products 25-10 photometric tables 26-12 photometric zero point 28-1 photometry corrections 28-6 photometry system 28-2 photometry, example 28-15 photometry, keywords 26-8 pixel response function 28-19 polarimetry 28-16 proposal keywords, Phase II 25-8 PSF, variations 28-10 readout modes 24-2 recalibrating data 26-10 red leak 28-14 reference files 26-6 residual image 27-6 scattered light 27-10 stray light 27-10 superdark 27-4 trailer file 26-2 warm pixels 26-16 zero point 28-4 zero point, photometric 28-1
Wide Field Planetary Camera see "WFPC2"
wmosaic task WFPC2 images 24-4
World Coordinate System mkmultispec task 3-21
world wide web archive access 1-3 resources E-1 software, obtaining A-14

X

xray package STIS time-tag data 23-6
xstarview see "StarView"
xtiming package STIS time-tag data 23-6
xy2rd task pixel coordinates to RA and Dec 3-9 WFPC2 coordinates 28-19

Z

zero point WFPC2, determining 28-4 WFPC2, photometric 28-1
zeroth read non-zero, NICMOS 17-11, 18-8
zeroth read subtraction NICMOS 16-4
zodiacal light FOC background 7-12
zoom FOC, dezoom 6-2

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Copyright © 1997, Association of Universities for Research in Astronomy. All rights reserved. Last updated: 11/13/97 18:07:57