11691( 2) - 01-Jul-2008 20:26:30 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 11691 Version: 2 Check-in Time: 01-Jul-2008 20:26:30 STScI Edit Number: 0 Title Using Massive Star Clusters in Merger Remnants To Provide Reference Colors of Intermediate-Age Stellar Populations ------------------------------------------------------------------------------------ Type Cycle GO 17 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Paul Goudfrooij Space Telescope Science Institute CoI: Dr. Francois Schweizer Carnegie Institution of Washington N CoI: Dr. Brad C. Whitmore Space Telescope Science Institute N CoI: Dr. Thomas H. Puzia Dominion Astrophysical Observatory N ------------------------------------------------------------------------------------ Abstract Much current research in cosmology and galaxy formation relies on an accurate interpretation of colors of galaxies in terms of their evolutionary state, i.e., in terms of ages and metallicities. One particularly important topic is the ability to identify early-type galaxies at "intermediate" ages (~ 500 Myr - 5 Gyr), i.e., the period between the end of star formation and ~ half the age of the universe. Currently, integrated-light studies must rely on population synthesis models which rest upon spectral libraries of stars in the solar neighborhood. These models have a difficult time correctly incorporating short-lived evolutionary phases such as thermally pulsing AGB stars, which produce up to 80% of the flux in the near-IR in this age range. Furthermore, intermediate-age star clusters in the Local Group do not represent proper templates against which to calibrate population synthesis models in this age range, because their masses are too low to render the effect of stochastic fluctuations due to the number of bright RGB and AGB stars negligible. As a consequence, current population synthesis models have trouble reconciling the evolutionary state of high-redshift galaxies from optical versus near-IR colors. We propose a simple and effective solution to this issue, namely obtaining high-quality EMPIRICAL colors of massive globular clusters in galaxy merger remnants which span this important age range. These colors should serve as relevant references, both to identify intermediate-age objects in the local and distant universe and as calibrators for population synthesis modellers. ------------------------------------------------------------------------------------ Observations Description ------------------------ The Wide Field Camera 3 is used with the broad-band filters F336W, F438W, F110W, and F160W for four target galaxies, all of which are established remnants of dissipative galaxy mergers. To allow us to address all goals of this project as mentioned in the Scientific Justification, we obtain the following data. (i) For all target merger remnants, we need to to reach S/N = 15 for GCs 3 mag fainter than the brightest GC in those galaxies in all filters. (ii) For the intermediate-age merger remnants NGC 1316 and NGC 3610, we have an additional need to reach S/N = 15 for globular clusters (GCs) at the calculated turnover magnitude of the LF of ?old? GCs (M_V = -7.3) in the F160W filter only. This will yield F110W-F160W color indices with an accuracy that is adequate to constrain the age distribution of GCs in the ?red? peak. To evaluate the necessary exposure times as a function of the surface brightness 11691( 2) - 01-Jul-2008 20:26:30 - [ 2] of the diffuse light of the host galaxy, we wrote a custom exposure time calculator (ETC) based on count rates given by the STScI ETCs, but including the ability to take into account a given background surface brightness (due to diffuse light from the host galaxy). Sub-exposures in each filter are positioned so as to allow cosmic-ray removal and dithering. The WFC3 UVIS subexposures are positioned several tens of pixels apart from one another in order to mitigate the potentially negative effects of the 'droplets' that were recently identified during WFC3 ground testing. For the near-IR imaging, we use logarithmically spaced MULTIACCUM read sequences to avoid saturated pixels near the galaxy centers and to yield high S/N ratios for both faint and bright GCs superposed onto the rapidly changing background (i.e., the diffuse light of the host galaxies). Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- (a) We will utilize ACS/WFC in parallel to the WFC3 observations (using the F555W and F814W filters of ACS) in order to measure the V-I colors of globular clusters in the target galaxies over a range of galactocentric distances. These colors provide important constraints on the metallicities and ages of the globular clusters, and the parallel ACS/WFC data will extend these over a much greater range of radii than previously observed for any merger remnant galaxy. (b) We will have the observations of NGC 3610 conducted during CVZ orbits. This will constitute a very efficient use of HST, and seems to be well possible: Its declination (DEC ~ +59 degrees) allows a total of 7 two-day CVZ opportunities per year according to APT version 17.2.1. ------------------------------------------------------------------------------------ 11691( 2) - 01-Jul-2008 20:26:30 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC3921 GALAXY, INTERACTING RA=11H51M7.0100S +/- 0.1", J2000 V = 4828 V = 12.64 GALAXY DEC=+55D04'43.50" +/- 0.1" Reference Frame: ICRS Comments: Converted GSC-I coordinates to GSC-II reference frame using http://gsss.stsci.edu/webservices/GSCconvert/WebForm.aspx ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC7252 GALAXY, INTERACTING RA=22H20M44.7800S +/- 0.1", J2000 V = 4792 V = 12.09 GALAXY DEC=-24D40'41.83" +/- 0.1" Reference Frame: ICRS Comments: Converted GSC-I coordinates to GSC-II reference frame using http://gsss.stsci.edu/webservices/GSCconvert/WebForm.aspx ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC1316 GALAXY, ELLIPTICAL RA=03H22M41.6800S +/- 0.1", J2000 V = 1760 V = 8.77 DEC=-37D12'29.20" +/- 0.1" Reference Frame: ICRS Comments: Converted GSC-I coordinates to GSC-II reference frame using http://gsss.stsci.edu/webservices/GSCconvert/WebForm.aspx ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC3610 GALAXY, ELLIPTICAL RA=11H18M25.1600S +/- 0.1", J2000 V = 1696 V = 11.4 DEC=+58D47'10.70" +/- 0.1" Reference Frame: ICRS Comments: Converted GSC-I coordinates to GSC-II reference frame using http://gsss.stsci.edu/webservices/GSCconvert/WebForm.aspx ------------------------------------------------------------------------------------------------------------------------------------ 11691( 2) - 01-Jul-2008 20:26:30 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 2.4 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 85.754 Angle_Between_Sides Center_Pattern NO Pattern_Comments: 2-exposure dither over chip gap of WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 4 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-IR-DITHER-BOX-MIN Pattern_Purpose DITHER Number_Of_Points 4 Point_Spacing 0.572 Line_Spacing 0.365 Coordinate_Frame POS-TARG Pattern_Orient 18.528 Angle_Between_Sides 74.653 Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 11691( 2) - 01-Jul-2008 20:26:30 - [ 5] Visit: 01 Visit Requirements: PCS MODE FINE On Hold Comments: Additional Comments: NGC 3921 visit Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC3921 WFC3/UVI ACCUM UVIS F438W CR-SPLIT=NO 1 450 S POS TARG 0, 0; PAR 2 S WITH 1 Comments: POS TARG 0, 0 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 400 S Comments: Parallel to F438W line pattern, step 1 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC3921 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 1150 S POS TARG 0, 0; PATTERN 1 S 3-4; PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F555W CR-SPLIT=NO, GAIN=2.0 1 1100 S Comments: Parallel to F336W line pattern ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC3921 WFC3/UVI ACCUM UVIS F438W CR-SPLIT=NO 1 500 S POS TARG 0.178, 3.565; S PAR 6 WITH 5 Comments: POS TARG'ed over chip gap ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 450 S Comments: Parallel to F438W line pattern, step 2 ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC3921 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 1150 S POS TARG 3.55, 0.138; S PAR 8 WITH 7 Comments: 3rd F336W exposure, 100 pix. away from 1st (stepping over any Droplets) ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 1100 S ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC3921 WFC3/IR MULTIAC IR F110W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF POS TARG 0.0, 0.0 CUM Comments: 1st F110W exp, POS TARG 0, 0 ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC3921 WFC3/IR MULTIAC IR F110W SAMP-SEQ=SPARS50, NSAMP=8 1 DEF SAME POS AS 9 CUM Comments: 2nd F110W exp, same pos as 1st ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC3921 WFC3/IR MULTIAC IR F110W SAMP-SEQ=SPARS50, NSAMP=5 2 DEF POS TARG 0.403, 0.450 CUM Comments: 3rd F110W exp, offset by 3.3, 3.3 pix from 1st ------------------------------------------------------------------------------------------------------------------------------------ 11691( 2) - 01-Jul-2008 20:26:30 - [ 6] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC3921 WFC3/IR MULTIAC IR F110W SAMP-SEQ=SPARS50, NSAMP=5 2 DEF POS TARG 0.807, 0.900; CUM PAR 13 WITH 12 Comments: 4th F110W exp, POS TARG 6.7, 6.7 pix from 1st ------------------------------------------------------------------------------------------------------------------------------------ 13 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 320 S ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC3921 WFC3/IR MULTIAC IR F160W SAMP-SEQ=SPARS50, NSAMP=9 2 DEF POS TARG 0.0, 0.0; PAR CUM 15 WITH 14 Comments: F160W exp's at pos targ 0, 12 ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 700 S ------------------------------------------------------------------------------------------------------------------------------------ 16 NGC3921 WFC3/IR MULTIAC IR F160W SAMP-SEQ=SPARS50, NSAMP=9 2 DEF POS TARG 0.403, 0.450; CUM PAR 17 WITH 16 Comments: F160W exp, 's, offset by 3.3, 3.3 pix from 1st ------------------------------------------------------------------------------------------------------------------------------------ 17 ANY ACS/WFC ACCUM WFC F555W CR-SPLIT=NO, GAIN=2.0 1 700 S ------------------------------------------------------------------------------------------------------------------------------------ 18 NGC3921 WFC3/IR MULTIAC IR F160W SAMP-SEQ=SPARS50, NSAMP=7 3 DEF POS TARG 0.807, 0.900; CUM PAR 19 WITH 18 Comments: F160W exp's, offset by 6.7, 6.7 pix from 1st ------------------------------------------------------------------------------------------------------------------------------------ 19 ANY ACS/WFC ACCUM WFC F555W CR-SPLIT=NO, GAIN=2.0 1 850 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC3921 1 WFC3/UVI ACCUM UVIS F438W none none none none 1 N/A S ANY 2 ACS/WFC ACCUM WFC F814W none none none none 1 N/A NGC3921 3 WFC3/UVI ACCUM UVIS F336W 1 none none none 1 N/A S NGC3921 3 WFC3/UVI ACCUM UVIS F336W 2 none none none 1 N/A S ANY 4 ACS/WFC ACCUM WFC F555W 1 none none none 1 N/A ANY 4 ACS/WFC ACCUM WFC F555W 2 none none none 1 N/A NGC3921 5 WFC3/UVI ACCUM UVIS F438W none none none none 2 N/A S ANY 6 ACS/WFC ACCUM WFC F814W none none none none 2 N/A NGC3921 7 WFC3/UVI ACCUM UVIS F336W none none none none 2 N/A S ANY 8 ACS/WFC ACCUM WFC F814W none none none none 2 N/A 11691( 2) - 01-Jul-2008 20:26:30 - [ 7] 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC3921 9 WFC3/IR MULTIAC IR F110W none none none none 2 N/A CUM NGC3921 10 WFC3/IR MULTIAC IR F110W none none none none 2 N/A CUM NGC3921 11 WFC3/IR MULTIAC IR F110W none none 1 none 2 N/A CUM NGC3921 11 WFC3/IR MULTIAC IR F110W none none 2 none 2 N/A CUM NGC3921 12 WFC3/IR MULTIAC IR F110W none none 1 none 3 N/A CUM NGC3921 12 WFC3/IR MULTIAC IR F110W none none 2 none 3 N/A CUM ANY 13 ACS/WFC ACCUM WFC F814W none none none none 3 N/A NGC3921 14 WFC3/IR MULTIAC IR F160W none none 1 none 3 N/A CUM NGC3921 14 WFC3/IR MULTIAC IR F160W none none 2 none 3 N/A CUM ANY 15 ACS/WFC ACCUM WFC F814W none none none none 3 N/A NGC3921 16 WFC3/IR MULTIAC IR F160W none none 1 none 3 N/A CUM NGC3921 16 WFC3/IR MULTIAC IR F160W none none 2 none 3 N/A CUM ANY 17 ACS/WFC ACCUM WFC F555W none none none none 3 N/A NGC3921 18 WFC3/IR MULTIAC IR F160W none none 1 none 3 N/A CUM NGC3921 18 WFC3/IR MULTIAC IR F160W none none 2 none 3 N/A CUM NGC3921 18 WFC3/IR MULTIAC IR F160W none none 3 none 3 N/A CUM ANY 19 ACS/WFC ACCUM WFC F555W none none none none 3 N/A 11691( 2) - 01-Jul-2008 20:26:30 - [ 8] Visit: 02 Visit Requirements: PCS MODE FINE On Hold Comments: Additional Comments: NGC 7252 visit Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC7252 WFC3/IR MULTIAC IR F110W SAMP-SEQ=STEP25, NSAMP=9 1 DEF POS TARG 0.0, 0.0 CUM Comments: 1st short F110W exp, POS TARG 0, 0 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC7252 WFC3/IR MULTIAC IR F110W SAMP-SEQ=STEP25, NSAMP=9 1 DEF POS TARG 0.484, 0.203 CUM Comments: 2nd short F110W exp, POS TARG 4.0, 1.5 pix from 1st ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC7252 WFC3/IR MULTIAC IR F110W SAMP-SEQ=STEP25, NSAMP=9 1 DEF POS TARG 0.302, 0.540 CUM Comments: 3rd short F110W exp, POS TARG 2.5, 4.0 pix from 1st ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC7252 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 650 S POS TARG 0, 0; PAR 5 S WITH 4 Comments: Nominal position ------------------------------------------------------------------------------------------------------------------------------------ 5 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 550 S Comments: Parallel to F336W line pattern ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC7252 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 750 S POS TARG 3.6, 1.18; PAR S 7 WITH 6 Comments: POS TARG 4.5, 1.5 pixels * 20 (i.e., ~100 pix step, to mitigate effects of droplets) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 700 S Comments: Parallel to F336W line pattern ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC7252 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 550 S POS TARG 1.96, 3.16; PAR S 9 WITH 8 Comments: POS TARG 2.5, 4.0 pixels * 20 (to mitigate effects of droplets) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC F555W CR-SPLIT=NO, GAIN=2.0 1 420 S Comments: Parallel to F336W line pattern ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC7252 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP100, NSAMP=13 1 DEF PATTERN 4 10-11; PAR 11 CUM WITH 10 Comments: F160W exp's with IR pattern (4 posns) ------------------------------------------------------------------------------------------------------------------------------------ 11 ANY ACS/WFC ACCUM WFC F555W CR-SPLIT=NO, GAIN=2.0 1 600 S 11691( 2) - 01-Jul-2008 20:26:30 - [ 9] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC7252 WFC3/IR MULTIAC IR F110W SAMP-SEQ=STEP25, NSAMP=9 1 DEF POS TARG -0.181, 0.338 CUM Comments: 4th short F160W exp, POS TARG -1.5, 2.5 pix from 1st ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC7252 WFC3/IR MULTIAC IR F110W SAMP-SEQ=STEP50, NSAMP=12 1 DEF POS TARG 0.807, 0.900; CUM PATTERN 4 13 Comments: Longer F110W exp, BOX pattern ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC7252 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 1100 S POS TARG -3.16, -1.18; S PAR 15 WITH 14 Comments: POS TARG -4.0, 1.5 pix * 20 (to mitigate effects of droplets) ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 960 S Comments: Parallel to 4th F336W exp. ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC7252 1 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM NGC7252 2 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM NGC7252 3 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM NGC7252 4 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S ANY 5 ACS/WFC ACCUM WFC F814W none none none none 1 N/A NGC7252 6 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S ANY 7 ACS/WFC ACCUM WFC F814W none none none none 1 N/A NGC7252 8 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S ANY 9 ACS/WFC ACCUM WFC F555W none none none none 1 N/A NGC7252 10 WFC3/IR MULTIAC IR F160W 1 none none none 2 N/A CUM NGC7252 10 WFC3/IR MULTIAC IR F160W 2 none none none 2 N/A CUM NGC7252 10 WFC3/IR MULTIAC IR F160W 3 none none none 2 N/A CUM NGC7252 10 WFC3/IR MULTIAC IR F160W 4 none none none 2 N/A CUM 11691( 2) - 01-Jul-2008 20:26:30 - [ 10] 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 11 ACS/WFC ACCUM WFC F555W 1 none none none 2 N/A ANY 11 ACS/WFC ACCUM WFC F555W 2 none none none 2 N/A ANY 11 ACS/WFC ACCUM WFC F555W 3 none none none 2 N/A ANY 11 ACS/WFC ACCUM WFC F555W 4 none none none 2 N/A NGC7252 12 WFC3/IR MULTIAC IR F110W none none none none 3 N/A CUM NGC7252 13 WFC3/IR MULTIAC IR F110W 1 none none none 3 N/A CUM NGC7252 13 WFC3/IR MULTIAC IR F110W 2 none none none 3 N/A CUM NGC7252 13 WFC3/IR MULTIAC IR F110W 3 none none none 3 N/A CUM NGC7252 13 WFC3/IR MULTIAC IR F110W 4 none none none 3 N/A CUM NGC7252 14 WFC3/UVI ACCUM UVIS F336W none none none none 3 N/A S ANY 15 ACS/WFC ACCUM WFC F814W none none none none 3 N/A 11691( 2) - 01-Jul-2008 20:26:30 - [ 11] Visit: 03 Visit Requirements: PCS MODE FINE; ORIENT 37.0D TO 90. D; ORIENT 220D TO 245 D; ORIENT 260D TO 350 D On Hold Comments: Additional Comments: NGC 1316 visit. ORIENT ranges to avoid very bright stars or galaxy NGC 1317 in parallel ACS images Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC1316 WFC3/IR MULTIAC IR F110W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG 0.0, 0.0 CUM Comments: 1st short F110W exp, POS TARG 0, 0 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC1316 WFC3/IR MULTIAC IR F110W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG 0.484, 0.203 CUM Comments: 2nd short F110W exp, POS TARG 4.0, 1.5 pix ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC1316 WFC3/IR MULTIAC IR F110W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG 0.302, 0.540 CUM Comments: 3rd short F110W exp, POS TARG 2.5, 4.0 pix ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC1316 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 650 S POS TARG 0, 0; PAR 5 S WITH 4 Comments: Nominal position ------------------------------------------------------------------------------------------------------------------------------------ 5 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 550 S Comments: Parallel to F336W exp #1 ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC1316 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 750 S POS TARG 3.6, 1.18; PAR S 7 WITH 6 Comments: POS TARG 4.5, 1.5 pixels * 20 (to mitigate effects of droplets) ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 700 S Comments: Parallel to F336W exp #2 ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC1316 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 660 S POS TARG 0.178, 2.380; S PAR 9 WITH 8 Comments: POS TARG 4.5, 60.25 pixels (across chip gap) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC F555W CR-SPLIT=NO, GAIN=2.0 1 540 S Comments: Parallel to F336W exp #3 ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC1316 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP100, NSAMP=13 1 DEF POS TARG 0.0, 0.0; CUM PATTERN 4 10-11; PAR 11 WITH 10 Comments: F160W exp's with IR pattern (4 posns) ------------------------------------------------------------------------------------------------------------------------------------ 11 ANY ACS/WFC ACCUM WFC F555W CR-SPLIT=NO, GAIN=2.0 1 600 S ------------------------------------------------------------------------------------------------------------------------------------ 11691( 2) - 01-Jul-2008 20:26:30 - [ 12] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC1316 WFC3/IR MULTIAC IR F110W SAMP-SEQ=STEP25, NSAMP=8 1 DEF POS TARG -0.181, 0.338 CUM Comments: 4th short F160W exp, POS TARG -1.5, 2.5 pix ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC1316 WFC3/IR MULTIAC IR F110W SAMP-SEQ=STEP50, NSAMP=12 1 DEF POS TARG 0.0, 12.0; CUM PATTERN 4 13 Comments: Longer F110W exp, BOX pattern ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC1316 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 1170 S POS TARG 3.778, 3.56; S PAR 15 WITH 14 Comments: POS TARG 3.778, 3.56 (2nd across chip gap, ~100 pix away from 1st to mitigate effects of droplets) ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 1020 S Comments: Parallel to F336W exp #4 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC1316 1 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM NGC1316 2 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM NGC1316 3 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM NGC1316 4 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S ANY 5 ACS/WFC ACCUM WFC F814W none none none none 1 N/A NGC1316 6 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S ANY 7 ACS/WFC ACCUM WFC F814W none none none none 1 N/A NGC1316 8 WFC3/UVI ACCUM UVIS F336W none none none none 1 N/A S ANY 9 ACS/WFC ACCUM WFC F555W none none none none 1 N/A NGC1316 10 WFC3/IR MULTIAC IR F160W 1 none none none 2 N/A CUM NGC1316 10 WFC3/IR MULTIAC IR F160W 2 none none none 2 N/A CUM NGC1316 10 WFC3/IR MULTIAC IR F160W 3 none none none 2 N/A CUM NGC1316 10 WFC3/IR MULTIAC IR F160W 4 none none none 2 N/A CUM ANY 11 ACS/WFC ACCUM WFC F555W 1 none none none 2 N/A 11691( 2) - 01-Jul-2008 20:26:30 - [ 13] 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 11 ACS/WFC ACCUM WFC F555W 2 none none none 2 N/A ANY 11 ACS/WFC ACCUM WFC F555W 3 none none none 2 N/A ANY 11 ACS/WFC ACCUM WFC F555W 4 none none none 2 N/A NGC1316 12 WFC3/IR MULTIAC IR F110W none none none none 3 N/A CUM NGC1316 13 WFC3/IR MULTIAC IR F110W 1 none none none 3 N/A CUM NGC1316 13 WFC3/IR MULTIAC IR F110W 2 none none none 3 N/A CUM NGC1316 13 WFC3/IR MULTIAC IR F110W 3 none none none 3 N/A CUM NGC1316 13 WFC3/IR MULTIAC IR F110W 4 none none none 3 N/A CUM NGC1316 14 WFC3/UVI ACCUM UVIS F336W none none none none 3 N/A S ANY 15 ACS/WFC ACCUM WFC F814W none none none none 3 N/A 11691( 2) - 01-Jul-2008 20:26:30 - [ 14] Visit: 04 Visit Requirements: PCS MODE FINE; CVZ; ORIENT 0.0D TO 40.0 D; ORIENT 74.0D TO 169.0 D; ORIENT 187.0D TO 359.9 D On Hold Comments: Additional Comments: NGC 3610 visit. ORIENT ranges to avoid very bright stars falling in parallel ACS images. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC3610 WFC3/IR MULTIAC IR F110W SAMP-SEQ=STEP50, NSAMP=12 1 DEF POS TARG 0.0, 0.0; CUM PATTERN 4 1 Comments: Longer F110W exp, BOX pattern ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC3610 WFC3/IR MULTIAC IR F110W SAMP-SEQ=STEP50, NSAMP=12 1 DEF POS TARG -0.484, -0.203 CUM Comments: 5th F110W exp, POS TARG -4.5, -1.5 pix ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC3610 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP100, NSAMP=13 1 DEF POS TARG 0.0, 0.0; CUM PATTERN 4 3-4; PAR 4 WITH 3 Comments: F160W exp's with BOX pattern (4 posns) ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 580 S Comments: Parallel to F160W BOX pattern ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC3610 WFC3/IR MULTIAC IR F160W SAMP-SEQ=STEP100, NSAMP=13 1 DEF POS TARG -0.484, -0.203; CUM PAR 6 WITH 5 Comments: 5th F160W exp, POS TARG -4.0, -1.5 pix ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY ACS/WFC ACCUM WFC F814W CR-SPLIT=NO, GAIN=2.0 1 580 S Comments: Parallel to F160W position #5 ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC3610 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 900 S POS TARG 0, 0; PAR 8 S WITH 7 Comments: Nominal position ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC F555W CR-SPLIT=NO, GAIN=2.0 1 820 S Comments: Parallel to F336W #1 ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC3610 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 900 S POS TARG 3.6, 1.18; PAR S 10 WITH 9 Comments: POS TARG 4.5, 1.5 pixels * 20 (to mitigate effects of droplets) ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY ACS/WFC ACCUM WFC F555W CR-SPLIT=NO, GAIN=2.0 1 820 S Comments: Parallel to F336W exp #2 ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC3610 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 900 S POS TARG 0.178, 2.380; S PAR 12 WITH 11 Comments: POS TARG 4.5, 60.25 pix (jumping chip gap) 11691( 2) - 01-Jul-2008 20:26:30 - [ 15] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY ACS/WFC ACCUM WFC F555W CR-SPLIT=NO, GAIN=2.0 1 820 S Comments: Parallel to F336W exp #3 ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC3610 WFC3/UVI ACCUM UVIS F336W CR-SPLIT=NO 1 900 S POS TARG 3.778, 3.56; S PAR 14 WITH 13 Comments: POS TARG 3.778, 3.56 (2nd exp across chip gap, ~100 pix away from 1st to mitigate effects of droplets) ------------------------------------------------------------------------------------------------------------------------------------ 14 ANY ACS/WFC ACCUM WFC F555W CR-SPLIT=NO, GAIN=2.0 1 820 S Comments: Parallel to 4th F336W exp. ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC3610 1 WFC3/IR MULTIAC IR F110W 1 none none none 1 N/A CUM NGC3610 1 WFC3/IR MULTIAC IR F110W 2 none none none 1 N/A CUM NGC3610 1 WFC3/IR MULTIAC IR F110W 3 none none none 1 N/A CUM NGC3610 1 WFC3/IR MULTIAC IR F110W 4 none none none 1 N/A CUM NGC3610 2 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM NGC3610 3 WFC3/IR MULTIAC IR F160W 1 none none none 1 N/A CUM NGC3610 3 WFC3/IR MULTIAC IR F160W 2 none none none 1 N/A CUM NGC3610 3 WFC3/IR MULTIAC IR F160W 3 none none none 1 N/A CUM NGC3610 3 WFC3/IR MULTIAC IR F160W 4 none none none 1 N/A CUM ANY 4 ACS/WFC ACCUM WFC F814W 1 none none none 1 N/A ANY 4 ACS/WFC ACCUM WFC F814W 2 none none none 1 N/A ANY 4 ACS/WFC ACCUM WFC F814W 3 none none none 1 N/A ANY 4 ACS/WFC ACCUM WFC F814W 4 none none none 1 N/A NGC3610 5 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM ANY 6 ACS/WFC ACCUM WFC F814W none none none none 1 N/A NGC3610 7 WFC3/UVI ACCUM UVIS F336W none none none none 2 N/A S ANY 8 ACS/WFC ACCUM WFC F555W none none none none 2 N/A 11691( 2) - 01-Jul-2008 20:26:30 - [ 16] 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC3610 9 WFC3/UVI ACCUM UVIS F336W none none none none 2 N/A S ANY 10 ACS/WFC ACCUM WFC F555W none none none none 2 N/A NGC3610 11 WFC3/UVI ACCUM UVIS F336W none none none none 2 N/A S ANY 12 ACS/WFC ACCUM WFC F555W none none none none 2 N/A NGC3610 13 WFC3/UVI ACCUM UVIS F336W none none none none 2 N/A S ANY 14 ACS/WFC ACCUM WFC F555W none none none none 2 N/A 11691( 2) - 01-Jul-2008 20:26:30 - [ 17] Summary Form for Proposal 11691 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures IR, UVIS, WFC ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/IR, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO, GAIN=2.0, NSAMP=12, NSAMP=13, NSAMP=5, NSAMP=7, NSAMP=8, NSAMP=9, SAMP-SEQ=SPARS50, SAMP-SEQ=STEP100, SAMP-SEQ=STEP25, SAMP-SEQ=STEP50 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements CVZ, ORIENT 0.0D TO 40.0 D, ORIENT 187.0D TO 359.9 D, ORIENT 220D TO 245 D, ORIENT 260D TO 350 D, ORIENT 37.0D TO 90. D, ORIENT 74.0D TO 169.0 D, PAR 10 WITH 9, PAR 11 WITH 10, PAR 12 WITH 11, PAR 13 WITH 12, PAR 14 WITH 13, PAR 15 WITH 14, PAR 17 WITH 16, PAR 19 WITH 18, PAR 2 WITH 1, PAR 4 WITH 3, PAR 5 WITH 4, PAR 6 WITH 5, PAR 7 WITH 6, PAR 8 WITH 7, PAR 9 WITH 8, PATTERN 1 3-4, PATTERN 4 1, PATTERN 4 10-11, PATTERN 4 13, PATTERN 4 3-4, PCS MODE FINE, POS TARG -0.181, 0.338, POS TARG -0.484, -0.203, POS TARG -3.16, -1.18, POS TARG 0, 0, POS TARG 0.0, 0.0, POS TARG 0.0, 12.0, POS TARG 0.178, 2.380, POS TARG 0.178, 3.565, POS TARG 0.302, 0.540, POS TARG 0.403, 0.450, POS TARG 0.484, 0.203, POS TARG 0.807, 0.900, POS TARG 1.96, 3.16, POS TARG 3.55, 0.138, POS TARG 3.6, 1.18, POS TARG 3.778, 3.56, SAME POS AS 9 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F110W, F160W, F336W, F438W, F555W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names ANY, NGC1316, NGC3610, NGC3921, NGC7252 ------------------------------------------------------------------------------------------------------------------------------------