15067( 3) - 02-Nov-2017 18:47:06 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 15067 Version: 3 Check-in Time: 02-Nov-2017 18:47:06 STScI Edit Number: 0 Title Eta Carinae's Change of State: The End Game ------------------------------------------------------------------------------------ Type Cycle GO 25 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Kris Davidson University of Minnesota - Twin Cities Y CoI: Dr. Roberta M. Humphreys University of Minnesota - Twin Cities N CoI: Dr. Kazunori Ishibashi Nagoya University N CoI: Dr. John Carl Martin University of Illinois at Springfield N ------------------------------------------------------------------------------------ Abstract Eta Car is the only giant-eruption survivor that can be observed well. Hence it is genuinely unique for testing instability theories which are crucial for very massive stars. Fortuitously, a rapid change of state began about 1998. This represents an unexpected stage in the recovery following the Great Eruption ("supernova impostor event") seen 170 years ago. Now there are reasons to think that the change of state is nearly complete. HST/STIS has been the main source of information on this phenomenon, and is the only instrument that can show the final (or nearly final) state. Therefore we propose to complete this record in Cy 25. The archival value is very high, because similar observations will later be impossible; the star is changing irreversibly. HST is needed, because UV is essential and because all ground-based spectroscopy of eta Car is heavily contaminated by emission lines formed about 0.3 arcsec away. For this object each HST orbit produces many high-quality spectra. The same data apply to other problems, e.g. exotic emission processes in the ejecta, bipolar structures, and the nature of the companion star. We propose STIS observations: (1) A final update of the central star's wind spectrum at selected NUV-to-red wavelengths. (2) Brief UV spectroscopy with the MAMA echelle. This will be the only such data obtained at a time when the companion star is near apoastron. (3) Special sampling of the Homunculus ejecta-nebula using STIS/CCD with long exposure times. This was done once before, in 2000, and major changes have occurred since then. ------------------------------------------------------------------------------------ Observations Description ------------------------ --- XXX FILLER TEXT XXX --- Will insert real description later... ------------------------------------------------------------------------------------ 15067( 3) - 02-Nov-2017 18:47:06 - [ 2] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 ETA-CAR-A STAR, ETA CARINAE STAR RA=10H45M3.5910S +/- 0.3", J2000 V = 5.0 +/- 1 DEC=-59D41'4.26" +/- 0.3", PLATE-ID=ZZZQ Reference Frame: GSC1 Comments: IMPORTANT: Ref frame is really special catalog ZZZQ, which was used for almost all successful HST acquisitions of Eta Car in the past. ZZZQ coords differ from ICRS by about 0.2 arcsec, see etacar.umn.edu.. -- Catalog ZZZQ was prepared before 1990 because original GSC was inadequate in Carina crowded field. Later version of GSC would _probably_ be OK, but has never been verified for this target. -- See, for example, acquisitions in GO 13377 (and many other programs with this target). ------------------------------------------------------------------------------------------------------------------------------------ 2 ETA-CAR-SR STAR, ETA CARINAE STAR RA-OFF=0.0S, DEC-OFF=0.1", FROM J2000 V = 5.0 +/- 1 1 Comments: Target ETA-CAR-SR is used to duplicate pointing of 52x0.2F1 slit in Visit 2 of GO 8327, done on 2000 March 13. Name "SR" originally implied "strontium" but this has no significance now. We suspect that target SR in 2000 should have been 0.1 arcsec NW of the star, but a typo or misunderstanding put it at 0.1 arcsec N instead. Anyway, here we are trying to duplicate the earlier 52x0.2F1 observations as closely as possible. ------------------------------------------------------------------------------------------------------------------------------------ 15067( 3) - 02-Nov-2017 18:47:06 - [ 3] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type STIS-ALONG-SLIT Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.2282 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 90.0 Angle_Between_Sides Center_Pattern NO Pattern_Comments: Spacing 0.2282 arcsec is intended to be 4.50 STIS/CCD pixels or rows. This dither pattern substantially improves spatial sampling along the slit, because STIS/CCD pixel size is too large re Nyquist criterion etc. ------------------------------------------------------------------------------------------------------------------------------------ 15067( 3) - 02-Nov-2017 18:47:06 - [ 4] Visit: 01 (CCD on star) Visit Requirements: ORIENT 16.8D TO 17.2 D; ORIENT 196.8D TO 197.2 D On Hold Comments: Additional Comments: This visit is adapted from Visit 01 of GO 13377 (Cy 21, 2014). --- USE SPECIAL CATALOG ZZZQ FOR ACQ --- -- ORIENT requirements: The two brightest Weigelt Knots, ejected blobs about 0.4 arcsec NW of the star, are located near PA= 302 and 332 D. Several previous STIS observations of the star have included those knots by orienting the slit accordingly. The ORIENT parameters listed below are chosen to match the most frequent earlier orientations. ORIENT = about 167.2D or 347.2D would also be OK but not as good as 17D or 197D. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 ETA-CAR-A STIS/CCD ACQ F25ND3 MIRROR ACQTYPE=POINT 1 0.3 S (0.3 S) Comments: IMPORTANT: Special catalog ZZZQ must be used for acquisition, like previous obs of Eta Car. For example, see program GO 13377 (and almost all other programs on this target). --- See comments for target ETA-CAR-A. ------------------------------------------------------------------------------------------------------------------------------------ 2 ETA-CAR-A STIS/CCD ACQ/PEA 52X0.1 G750M 7795 1 0.4 S (0.4 K S) Comments: We use 7795 A becaise this wvl interval has no bright emission lines. Other wavelength ranges might be perturbed by the nearby Weigelt emission-line blobs. ------------------------------------------------------------------------------------------------------------------------------------ 3 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G750M 6768 CR-SPLIT=2, GAIN=4, 1 0.2 S (0.2 SIZEAXIS2=100, WAVECAL=NO S) Comments: Very short exposure to get core of very bright H-alpha emission line. WAVE CAL=NO because we are explicitly managing the WAVECALs. ------------------------------------------------------------------------------------------------------------------------------------ 4 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G750M 6768 CR-SPLIT=3, SIZEAXIS2=160, 1 2.1 S (2.1 GAIN=4, WAVECAL=NO S) Comments: Some pixels in the H-alpha emission line will be saturated in this exposure. WAVECAL=NO because we explicitly manage the WAVECALS. ' ------------------------------------------------------------------------------------------------------------------------------------ 5 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G750M 6768 SIZEAXIS2=480, CR-SPLIT=3, 1 15 S (15 GAIN=1, WAVECAL=NO S) Comments: H-alpha emission line on star will be heavily exposed in this exposure. ------------------------------------------------------------------------------------------------------------------------------------ 6 WAVE STIS/CCD ACCUM 52X0.1 G750M 6768 1 DEF (0 S) 15067( 3) - 02-Nov-2017 18:47:06 - [ 5] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 7 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G750M 5734 CR-SPLIT=2, SIZEAXIS2=200, 1 4 S (4 S) GAIN=4, WAVECAL=NO ------------------------------------------------------------------------------------------------------------------------------------ 8 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G750M 5734 CR-SPLIT=3, SIZEAXIS2=400, 1 30 S (30 GAIN=4, WAVECAL=NO S) Comments: Includes UV-excited N II multiplet 5668--5712 A. Also useful for V-band photometry. -- This long exposure samples outlying ejecta. ------------------------------------------------------------------------------------------------------------------------------------ 9 WAVE STIS/CCD ACCUM 52X0.1 G750M 5734 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G430M 4706 CR-SPLIT=3, SIZEAXIS2=200, 1 30 S (60 PATTERN 1 10 GAIN=4, WAVECAL=NO S) Comments: Dither and CR-SPLIT=3 to get high quality. This wvl interval includes several critical spectr features. ------------------------------------------------------------------------------------------------------------------------------------ 11 WAVE STIS/CCD ACCUM 52X0.1 G430M 4706 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G230LB 2375 CR-SPLIT=2, GAIN=4, 1 20 S (40 PATTERN 1 12 SIZEAXIS2=100, WAVECAL=NO S) Comments: Grating G230LB is chiefly useful for photometry. However, we use dither because some emission line structures might be omitted from our other wvl samples. ------------------------------------------------------------------------------------------------------------------------------------ 13 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G230LB 2375 SIZEAXIS2=200, GAIN=4, 1 300 S (300 CR-SPLIT=3 S) Comments: We use grating G230LB primarily for photometry. However, it may also indicate NUV emission lines outside the other wvl samples. ------------------------------------------------------------------------------------------------------------------------------------ 14 WAVE STIS/CCD ACCUM 52X0.1 G230LB 2375 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 15 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G750M 7283 GAIN=4, SIZEAXIS2=160, 1 3 S (3 S) CR-SPLIT=2 Comments: Wvls near 7283 A are useful chiefly for outlying ejecta. ------------------------------------------------------------------------------------------------------------------------------------ 16 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G750M 7283 GAIN=4, SIZEAXIS2=400, 1 30 S (30 CR-SPLIT=3 S) ------------------------------------------------------------------------------------------------------------------------------------ 17 WAVE STIS/CCD ACCUM 52X0.1 G750M 7283 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 15067( 3) - 02-Nov-2017 18:47:06 - [ 6] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 18 CCDFLAT STIS/CCD ACCUM 52X0.1 G750M 7283 2 DEF (0 S) Comments: This FF is intended to occur at the end of orbit visibility, so it can be done in orbit non-visibility time. ------------------------------------------------------------------------------------------------------------------------------------ 19 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G430L 4300 CR-SPLIT=2, GAIN=4, 1 2 S (4 S) PATTERN 1 19 SIZEAXIS2=160, WAVECAL=NO Comments: Low-dispersion mainly for photometry around 330 nm and 440 nm. WAVECAL is not essential. -- We use pattern to improve effective spatial resolution. ------------------------------------------------------------------------------------------------------------------------------------ 20 WAVE STIS/CCD ACCUM 52X0.1 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 21 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G430M 3936 CR-SPLIT=3, SIZEAXIS2=100, 1 24 S (48 PATTERN 1 21 WAVECAL=NO, GAIN=4 S) Comments: Dither and CR-SPLIT=3 to get highest qual data. This wvl range includes critical spectr features. ------------------------------------------------------------------------------------------------------------------------------------ 22 WAVE STIS/CCD ACCUM 52X0.1 G430M 3936 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 23 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G430M 4961 CR-SPLIT=2, SIZEAXIS2=100, 1 2 S (4 S) PATTERN 1 23-24 GAIN=4, WAVECAL=NO Comments: Short exposure to avoid saturation in core of H-beta line. WCAL=NO because we explicitly manage the wavecals. ------------------------------------------------------------------------------------------------------------------------------------ 24 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G430M 4961 CR-SPLIT=2, SIZEAXIS2=400, 1 20 S (40 GAIN=4, WAVECAL=NO S) Comments: This wvl interval includes H-beta and other emission lines. WCAL=NO because we're explicitly managing the wavecals. ------------------------------------------------------------------------------------------------------------------------------------ 25 WAVE STIS/CCD ACCUM 52X0.1 G430M 4961 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 26 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G230MB 2557 GAIN=4, SIZEAXIS2=160, 1 40 S (80 PATTERN 1 26 CR-SPLIT=2, WAVECAL=NO S) Comments: This wvl range includes the Fe II 2507 quasi-laser lines. Short exposure because they may be bright. ------------------------------------------------------------------------------------------------------------------------------------ 27 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G230MB 2557 GAIN=1, CR-SPLIT=3, 1 300 S (300 SIZEAXIS2=200, WAVECAL=NO S) ------------------------------------------------------------------------------------------------------------------------------------ 28 WAVE STIS/CCD ACCUM 52X0.1 G230MB 2557 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 15067( 3) - 02-Nov-2017 18:47:06 - [ 7] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 29 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G230MB 2697 CR-SPLIT=3, SIZEAXIS2=160, 1 150 S (150 GAIN=1, WAVECAL=NO S) ------------------------------------------------------------------------------------------------------------------------------------ 30 WAVE STIS/CCD ACCUM 52X0.1 G230MB 2697 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 31 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G230MB 2836 CR-SPLIT=2, SIZEAXIS2=100, 1 40 S (40 GAIN=4, WAVECAL=NO S) ------------------------------------------------------------------------------------------------------------------------------------ 32 ETA-CAR-A STIS/CCD ACCUM 52X0.1 G230MB 2836 GAIN=1, SIZEAXIS2=160, 1 150 S (150 CR-SPLIT=3, WAVECAL=NO S) ------------------------------------------------------------------------------------------------------------------------------------ 33 WAVE STIS/CCD ACCUM 52X0.1 G230MB 2836 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ ETA-CAR-A 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A ETA-CAR-A 2 STIS/CCD ACQ/PEA 52X0.1 G750M 7795 none none none none 1 N/A K ETA-CAR-A 3 STIS/CCD ACCUM 52X0.1 G750M 6768 none none none 1 1 N/A ETA-CAR-A 3 STIS/CCD ACCUM 52X0.1 G750M 6768 none none none 2 1 N/A ETA-CAR-A 4 STIS/CCD ACCUM 52X0.1 G750M 6768 none none none 1 1 N/A ETA-CAR-A 4 STIS/CCD ACCUM 52X0.1 G750M 6768 none none none 2 1 N/A ETA-CAR-A 4 STIS/CCD ACCUM 52X0.1 G750M 6768 none none none 3 1 N/A ETA-CAR-A 5 STIS/CCD ACCUM 52X0.1 G750M 6768 none none none 1 1 N/A ETA-CAR-A 5 STIS/CCD ACCUM 52X0.1 G750M 6768 none none none 2 1 N/A ETA-CAR-A 5 STIS/CCD ACCUM 52X0.1 G750M 6768 none none none 3 1 N/A WAVE 6 STIS/CCD ACCUM 52X0.1 G750M 6768 none none none none 1 N/A ETA-CAR-A 7 STIS/CCD ACCUM 52X0.1 G750M 5734 none none none 1 1 N/A ETA-CAR-A 7 STIS/CCD ACCUM 52X0.1 G750M 5734 none none none 2 1 N/A ETA-CAR-A 8 STIS/CCD ACCUM 52X0.1 G750M 5734 none none none 1 1 N/A ETA-CAR-A 8 STIS/CCD ACCUM 52X0.1 G750M 5734 none none none 2 1 N/A ETA-CAR-A 8 STIS/CCD ACCUM 52X0.1 G750M 5734 none none none 3 1 N/A WAVE 9 STIS/CCD ACCUM 52X0.1 G750M 5734 none none none none 1 N/A ETA-CAR-A 10 STIS/CCD ACCUM 52X0.1 G430M 4706 1 none none 1 1 N/A ETA-CAR-A 10 STIS/CCD ACCUM 52X0.1 G430M 4706 1 none none 2 1 N/A ETA-CAR-A 10 STIS/CCD ACCUM 52X0.1 G430M 4706 1 none none 3 1 N/A ETA-CAR-A 10 STIS/CCD ACCUM 52X0.1 G430M 4706 2 none none 1 1 N/A ETA-CAR-A 10 STIS/CCD ACCUM 52X0.1 G430M 4706 2 none none 2 1 N/A ETA-CAR-A 10 STIS/CCD ACCUM 52X0.1 G430M 4706 2 none none 3 1 N/A WAVE 11 STIS/CCD ACCUM 52X0.1 G430M 4706 none none none none 1 N/A ETA-CAR-A 12 STIS/CCD ACCUM 52X0.1 G230LB 2375 1 none none 1 1 N/A ETA-CAR-A 12 STIS/CCD ACCUM 52X0.1 G230LB 2375 1 none none 2 1 N/A ETA-CAR-A 12 STIS/CCD ACCUM 52X0.1 G230LB 2375 2 none none 1 1 N/A 15067( 3) - 02-Nov-2017 18:47:06 - [ 8] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ ETA-CAR-A 12 STIS/CCD ACCUM 52X0.1 G230LB 2375 2 none none 2 1 N/A ETA-CAR-A 13 STIS/CCD ACCUM 52X0.1 G230LB 2375 none none none 1 1 N/A ETA-CAR-A 13 STIS/CCD ACCUM 52X0.1 G230LB 2375 none none none 2 1 N/A ETA-CAR-A 13 STIS/CCD ACCUM 52X0.1 G230LB 2375 none none none 3 1 N/A WAVE 14 STIS/CCD ACCUM 52X0.1 G230LB 2375 none none none none 1 N/A ETA-CAR-A 15 STIS/CCD ACCUM 52X0.1 G750M 7283 none none none 1 1 N/A ETA-CAR-A 15 STIS/CCD ACCUM 52X0.1 G750M 7283 none none none 2 1 N/A ETA-CAR-A 16 STIS/CCD ACCUM 52X0.1 G750M 7283 none none none 1 1 N/A ETA-CAR-A 16 STIS/CCD ACCUM 52X0.1 G750M 7283 none none none 2 1 N/A ETA-CAR-A 16 STIS/CCD ACCUM 52X0.1 G750M 7283 none none none 3 1 N/A WAVE 17 STIS/CCD ACCUM 52X0.1 G750M 7283 none none none none 1 N/A CCDFLAT 18 STIS/CCD ACCUM 52X0.1 G750M 7283 none none 1 none 1 N/A CCDFLAT 18 STIS/CCD ACCUM 52X0.1 G750M 7283 none none 2 none 1 N/A ETA-CAR-A 19 STIS/CCD ACCUM 52X0.1 G430L 4300 1 none none 1 2 N/A ETA-CAR-A 19 STIS/CCD ACCUM 52X0.1 G430L 4300 1 none none 2 2 N/A ETA-CAR-A 19 STIS/CCD ACCUM 52X0.1 G430L 4300 2 none none 1 2 N/A ETA-CAR-A 19 STIS/CCD ACCUM 52X0.1 G430L 4300 2 none none 2 2 N/A WAVE 20 STIS/CCD ACCUM 52X0.1 G430L 4300 none none none none 2 N/A ETA-CAR-A 21 STIS/CCD ACCUM 52X0.1 G430M 3936 1 none none 1 2 N/A ETA-CAR-A 21 STIS/CCD ACCUM 52X0.1 G430M 3936 1 none none 2 2 N/A ETA-CAR-A 21 STIS/CCD ACCUM 52X0.1 G430M 3936 1 none none 3 2 N/A ETA-CAR-A 21 STIS/CCD ACCUM 52X0.1 G430M 3936 2 none none 1 2 N/A ETA-CAR-A 21 STIS/CCD ACCUM 52X0.1 G430M 3936 2 none none 2 2 N/A ETA-CAR-A 21 STIS/CCD ACCUM 52X0.1 G430M 3936 2 none none 3 2 N/A WAVE 22 STIS/CCD ACCUM 52X0.1 G430M 3936 none none none none 2 N/A ETA-CAR-A 23 STIS/CCD ACCUM 52X0.1 G430M 4961 1 none none 1 2 N/A ETA-CAR-A 23 STIS/CCD ACCUM 52X0.1 G430M 4961 1 none none 2 2 N/A ETA-CAR-A 23 STIS/CCD ACCUM 52X0.1 G430M 4961 2 none none 1 2 N/A ETA-CAR-A 23 STIS/CCD ACCUM 52X0.1 G430M 4961 2 none none 2 2 N/A ETA-CAR-A 24 STIS/CCD ACCUM 52X0.1 G430M 4961 1 none none 1 2 N/A ETA-CAR-A 24 STIS/CCD ACCUM 52X0.1 G430M 4961 1 none none 2 2 N/A ETA-CAR-A 24 STIS/CCD ACCUM 52X0.1 G430M 4961 2 none none 1 2 N/A ETA-CAR-A 24 STIS/CCD ACCUM 52X0.1 G430M 4961 2 none none 2 2 N/A WAVE 25 STIS/CCD ACCUM 52X0.1 G430M 4961 none none none none 2 N/A ETA-CAR-A 26 STIS/CCD ACCUM 52X0.1 G230MB 2557 1 none none 1 2 N/A ETA-CAR-A 26 STIS/CCD ACCUM 52X0.1 G230MB 2557 1 none none 2 2 N/A ETA-CAR-A 26 STIS/CCD ACCUM 52X0.1 G230MB 2557 2 none none 1 2 N/A ETA-CAR-A 26 STIS/CCD ACCUM 52X0.1 G230MB 2557 2 none none 2 2 N/A ETA-CAR-A 27 STIS/CCD ACCUM 52X0.1 G230MB 2557 none none none 1 2 N/A ETA-CAR-A 27 STIS/CCD ACCUM 52X0.1 G230MB 2557 none none none 2 2 N/A ETA-CAR-A 27 STIS/CCD ACCUM 52X0.1 G230MB 2557 none none none 3 2 N/A WAVE 28 STIS/CCD ACCUM 52X0.1 G230MB 2557 none none none none 2 N/A ETA-CAR-A 29 STIS/CCD ACCUM 52X0.1 G230MB 2697 none none none 1 2 N/A ETA-CAR-A 29 STIS/CCD ACCUM 52X0.1 G230MB 2697 none none none 2 2 N/A ETA-CAR-A 29 STIS/CCD ACCUM 52X0.1 G230MB 2697 none none none 3 2 N/A WAVE 30 STIS/CCD ACCUM 52X0.1 G230MB 2697 none none none none 2 N/A ETA-CAR-A 31 STIS/CCD ACCUM 52X0.1 G230MB 2836 none none none 1 2 N/A ETA-CAR-A 31 STIS/CCD ACCUM 52X0.1 G230MB 2836 none none none 2 2 N/A 15067( 3) - 02-Nov-2017 18:47:06 - [ 9] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ ETA-CAR-A 32 STIS/CCD ACCUM 52X0.1 G230MB 2836 none none none 1 2 N/A ETA-CAR-A 32 STIS/CCD ACCUM 52X0.1 G230MB 2836 none none none 2 2 N/A ETA-CAR-A 32 STIS/CCD ACCUM 52X0.1 G230MB 2836 none none none 3 2 N/A WAVE 33 STIS/CCD ACCUM 52X0.1 G230MB 2836 none none none none 2 N/A 15067( 3) - 02-Nov-2017 18:47:06 - [ 10] Visit: 02 (UV MAMA on star) Visit Requirements: AFTER 01 BY 24 D TO 75 D; SEQ 01, 02 WITHIN 60 D On Hold Comments: Additional Comments: This is practically a copy of Visit 3 in program GO 13389, which occurred in Sept 2015. Also Visit 2 iin GO 13377, Oct 2013. ` It is highly desirable for this visit to occur within about 2 months of visit 1. -- IEta Car was safely below the allowed brightness limits during 2013-2015. In this program, we can use STIS/CCD data from Visit 1 to verify that this is still true. -- Note that acquisition uses special catalog ZZZQ, see comments on target and on Visit 1. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 ETA-CAR-A STIS/CCD ACQ F25ND3 MIRROR ACQTYPE=POINT 1 0.3 S (0.3 S) Comments: This ACQ has the same parameters as Visit 3 in program GO 13389. ------------------------------------------------------------------------------------------------------------------------------------ 2 ETA-CAR-A STIS/CCD ACQ/PEA 52X0.1 G750M 7795 1 0.4 S (0.4 K S) Comments: Again, just like Visit 3 in program 13389. We use wavelength 7795 because that interval has no strong emission lines. Therefore the peakup will not be perturbed by the nearby Weigelt Knots which are emission-line sources. ------------------------------------------------------------------------------------------------------------------------------------ 3 ETA-CAR-A STIS/FUV ACCUM 0.2X0.2 E140M 1425 1 1000 S -MAMA (1000 S) Comments: We omit an ETC run, because observations like this have already been done on Eta Car: 2013 Oct 26 in program 13377, and 2015 Sept 2 in program 13789. Observed MAMA count rates were far below the allowed limits, see below. We will use STIS/CCD Visit 1 to verify that the star has not brightened by a large factor.in the UV. --- (In any case, Eta Car's UV spectrum is too complicated for a realistic ETC run.) --- ** Count rates observed in 2013-2015: 0.5 ct/s in peak pixel, global rate 55 thousand cts/s in entire detector. ** ------------------------------------------------------------------------------------------------------------------------------------ 15067( 3) - 02-Nov-2017 18:47:06 - [ 11] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 4 ETA-CAR-A STIS/NUV ACCUM 0.2X0.2 E230M 1978 1 800 S (800 -MAMA S) Comments: We omit an ETC run number for reasons explained in previous exposure. Target was far below allowed brightness limits in MAMA obs 2013 and 2015. --- ** Observed count rates in 2013--2015: Maximum pixel 4.8 cts/s, global 100 thousand cts/s in entire detector. ** ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ ETA-CAR-A 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A ETA-CAR-A 2 STIS/CCD ACQ/PEA 52X0.1 G750M 7795 none none none none 1 N/A K ETA-CAR-A 3 STIS/FUV ACCUM 0.2X0.2 E140M 1425 none none none none 1 N/A -MAMA ETA-CAR-A 4 STIS/NUV ACCUM 0.2X0.2 E230M 1978 none none none none 1 N/A -MAMA 15067( 3) - 02-Nov-2017 18:47:06 - [ 12] Visit: 03 (Wider slit Homunculus) Visit Requirements: ORIENT 183.8D TO 183.8 D; ORIENT 3.8D TO 3.8 D On Hold Comments: Additional Comments: Here we are trying to duplicate some earlier observations as closely as possible. Those obs occurred in Visit 2 of program GO 8327, done on 2000 March 13. The goal is to use wider slit 52x0.2F1 across Eta Car's Homunculus nebula. The slit must have the same orientation as in 2000, and the star plus Weigelt Knots must be blocked by the slit's occulting bar ("fiducial"). --- The ORIENT angle is simply copied from the GO 8327 plan, with +180D alternative; if STIS definitions or slit orientation parameters have been revised since 2000, then we should alter the ORIENT angle accordingly. -- We omit a WAVECAL for grating tilt 4961, because there is not enough orbit time; see comment for that exposure. -- Note that acquisition uses special catalog ZZZQ, see comments for target ETA-CAR-A and for Visit 1. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 ETA-CAR-A STIS/CCD ACQ F25ND3 MIRROR ACQTYPE=POINT 1 0.3 S (0.3 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ETA-CAR-A STIS/CCD ACQ/PEA 52X0.1 G750M 7795 1 0.4 S (0.4 K S) Comments: We use wvl 7795 A for peakfup, see comments for Visits 1 and 2. -- Note that slit 52x0.1 is used for this peakup, but the main observations in this visit will use slit 52x0.2F1. -- ------------------------------------------------------------------------------------------------------------------------------------ 3 ETA-CAR-SR STIS/CCD ACCUM 52X0.2F1 G750M 6768 SIZEAXIS2=200, CR-SPLIT=2, 1 5 S (5 S) GAIN=4, WAVECAL=NO Comments: WAVECAL=NO because we are managing WAVECALS explicitly. ------------------------------------------------------------------------------------------------------------------------------------ 4 ETA-CAR-SR STIS/CCD ACCUM 52X0.2F1 G750M 6768 CR-SPLIT=2, SIZEAXIS2=500, 1 110 S (110 GAIN=4, WAVECAL=NO S) Comments: Automatic wavecal is assumed for this exposure, not for the preceding one. ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/CCD ACCUM 52X0.2 G750M 6768 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ETA-CAR-SR STIS/CCD ACCUM 52X0.2F1 G430M 3936 SIZEAXIS2=500, CR-SPLIT=2, 1 60 S (60 GAIN=4, WAVECAL=NO S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/CCD ACCUM 52X0.2 G430M 3936 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 15067( 3) - 02-Nov-2017 18:47:06 - [ 13] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 8 ETA-CAR-SR STIS/CCD ACCUM 52X0.2F1 G430M 4961 CR-SPLIT=2, GAIN=4, 1 40 S (40 WAVECAL=NO, SIZEAXIS2=400 S) Comments: No WAVECAL for this grating tilt, because the orbit does not allow enough time. We will estimate an approximate wvl calibration by combining information from known features in the object, plus wavecals for 4961 at other times, plus the 6768 and 3936 data in this orbit. Precise wavelengths and velocities ae not needed for the 4961 grating tilt. ------------------------------------------------------------------------------------------------------------------------------------ 9 ETA-CAR-SR STIS/CCD ACCUM 52X0.2F1 G230MB 2836 CR-SPLIT=2, SIZEAXIS2=400, 1 70 S (70 GAIN=1, WAVECAL=NO S) ------------------------------------------------------------------------------------------------------------------------------------ 10 WAVE STIS/CCD ACCUM 52X0.2 G230MB 2836 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 ETA-CAR-SR STIS/CCD ACCUM 52X0.2F1 G230MB 2697 CR-SPLIT=2, WAVECAL=NO, 1 80 S (80 GAIN=1, SIZEAXIS2=400 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 WAVE STIS/CCD ACCUM 52X0.2 G230MB 2697 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 ETA-CAR-SR STIS/CCD ACCUM 52X0.2F1 G750M 7283 CR-SPLIT=2, GAIN=4, 1 10 S (10 SIZEAXIS2=400, WAVECAL=NO S) Comments: Exposures with wvl 7283 A should be at end of orbit, so FFLATs can be done after visibility time ends. ------------------------------------------------------------------------------------------------------------------------------------ 14 ETA-CAR-SR STIS/CCD ACCUM 52X0.2F1 G750M 7283 CR-SPLIT=3, GAIN=4, 1 120 S (120 SIZEAXIS2=500, WAVECAL=NO S) Comments: This exposure should occur at end of orbit, so FFLAT's can be done after orbit visibility time. ------------------------------------------------------------------------------------------------------------------------------------ 15 WAVE STIS/CCD ACCUM 52X0.2 G750M 7283 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 16 CCDFLAT STIS/CCD ACCUM 52X0.2F1 G750M 7283 2 DEF (0 S) Comments: FFLATS should occur after end of visi bility period ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ ETA-CAR-A 1 STIS/CCD ACQ F25ND3 MIRROR none none none none 1 N/A 15067( 3) - 02-Nov-2017 18:47:06 - [ 14] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ ETA-CAR-A 2 STIS/CCD ACQ/PEA 52X0.1 G750M 7795 none none none none 1 N/A K ETA-CAR-SR 3 STIS/CCD ACCUM 52X0.2F1 G750M 6768 none none none 1 1 N/A ETA-CAR-SR 3 STIS/CCD ACCUM 52X0.2F1 G750M 6768 none none none 2 1 N/A ETA-CAR-SR 4 STIS/CCD ACCUM 52X0.2F1 G750M 6768 none none none 1 1 N/A ETA-CAR-SR 4 STIS/CCD ACCUM 52X0.2F1 G750M 6768 none none none 2 1 N/A WAVE 5 STIS/CCD ACCUM 52X0.2 G750M 6768 none none none none 1 N/A ETA-CAR-SR 6 STIS/CCD ACCUM 52X0.2F1 G430M 3936 none none none 1 1 N/A ETA-CAR-SR 6 STIS/CCD ACCUM 52X0.2F1 G430M 3936 none none none 2 1 N/A WAVE 7 STIS/CCD ACCUM 52X0.2 G430M 3936 none none none none 1 N/A ETA-CAR-SR 8 STIS/CCD ACCUM 52X0.2F1 G430M 4961 none none none 1 1 N/A ETA-CAR-SR 8 STIS/CCD ACCUM 52X0.2F1 G430M 4961 none none none 2 1 N/A ETA-CAR-SR 9 STIS/CCD ACCUM 52X0.2F1 G230MB 2836 none none none 1 1 N/A ETA-CAR-SR 9 STIS/CCD ACCUM 52X0.2F1 G230MB 2836 none none none 2 1 N/A WAVE 10 STIS/CCD ACCUM 52X0.2 G230MB 2836 none none none none 1 N/A ETA-CAR-SR 11 STIS/CCD ACCUM 52X0.2F1 G230MB 2697 none none none 1 1 N/A ETA-CAR-SR 11 STIS/CCD ACCUM 52X0.2F1 G230MB 2697 none none none 2 1 N/A WAVE 12 STIS/CCD ACCUM 52X0.2 G230MB 2697 none none none none 1 N/A ETA-CAR-SR 13 STIS/CCD ACCUM 52X0.2F1 G750M 7283 none none none 1 1 N/A ETA-CAR-SR 13 STIS/CCD ACCUM 52X0.2F1 G750M 7283 none none none 2 1 N/A ETA-CAR-SR 14 STIS/CCD ACCUM 52X0.2F1 G750M 7283 none none none 1 1 N/A ETA-CAR-SR 14 STIS/CCD ACCUM 52X0.2F1 G750M 7283 none none none 2 1 N/A ETA-CAR-SR 14 STIS/CCD ACCUM 52X0.2F1 G750M 7283 none none none 3 1 N/A WAVE 15 STIS/CCD ACCUM 52X0.2 G750M 7283 none none none none 1 N/A CCDFLAT 16 STIS/CCD ACCUM 52X0.2F1 G750M 7283 none none 1 none 1 N/A CCDFLAT 16 STIS/CCD ACCUM 52X0.2F1 G750M 7283 none none 2 none 1 N/A 15067( 3) - 02-Nov-2017 18:47:06 - [ 15] Summary Form for Proposal 15067 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures 0.2X0.2, 52X0.1, 52X0.2, 52X0.2F1, F25ND3 ------------------------------------------------------------------------------------------------------------------------------------ Configurations STIS/CCD, STIS/FUV-MAMA, STIS/NUV-MAMA ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, ACQ, ACQ/PEAK ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ACQTYPE=POINT, CR-SPLIT=2, CR-SPLIT=3, GAIN=1, GAIN=4, SIZEAXIS2=100, SIZEAXIS2=160, SIZEAXIS2=200, SIZEAXIS2=400, SIZEAXIS2=480, SIZEAXIS2=500, WAVECAL=NO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements AFTER 01 BY 24 D TO 75 D, ORIENT 16.8D TO 17.2 D, ORIENT 183.8D TO 183.8 D, ORIENT 196.8D TO 197.2 D, ORIENT 3.8D TO 3.8 D, PATTERN 1 10, PATTERN 1 12, PATTERN 1 19, PATTERN 1 21, PATTERN 1 23-24, PATTERN 1 26, SEQ 01, 02 WITHIN 60 D ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements E140M, E230M, G230LB, G230MB, G430L, G430M, G750M, MIRROR ------------------------------------------------------------------------------------------------------------------------------------ Target Names CCDFLAT, ETA-CAR-A, ETA-CAR-SR, WAVE ------------------------------------------------------------------------------------------------------------------------------------