13048( 6) - 05-Jul-2012 15:16:10 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 13048 Version: 6 Check-in Time: 05-Jul-2012 15:16:10 STScI Edit Number: 3 Title The First Unambiguous Detection of a Distinct Metal-poor Stellar Halo in a Massive Early-type Galaxy ------------------------------------------------------------------------------------ Type Cycle GO 20 ------------------------------------------------------------------------------------ Investigators Contact? PI: Prof. Jay Strader Michigan State University Y CoI: Dr. Aaron Romanowsky University of California - Santa Cruz N CoI: Prof. Jean P. Brodie University of California - Santa Cruz N CoI: Mr. Jacob Arnold University of California - Santa Cruz N ------------------------------------------------------------------------------------ Abstract It is well-established that many spiral galaxies, such as the Milky Way and M31, host metal-poor stellar halos. The properties of these halos place important constraints on the hierarchical formation and assembly histories of these galaxies. Observations of old globular clusters in early-type galaxies find ubiquitous evidence for bimodal color distributions (blue and red), suggesting the presence of two underlying populations of field stars: metal-poor and metal-rich. However, no direct evidence has been found for bimodal stellar populations, nor specifically for a distinct metal-poor stellar halo, in any massive early-type galaxy. We propose a study of red giant branch (RGB) stellar metallicities in the halo of NGC 3115, a nearby (9 Mpc) lenticular that is among the closest normal massive early-type galaxies, and which hosts a particularly well-characterized bimodal color distribution of globular clusters. Our proposed observations, across three fields extending out to the distant outer halo of the galaxy, will provide the first unambiguous test for the presence of a metal-poor stellar halo in a massive early-type galaxy, and in addition will measure the stellar halo density and metallicity gradients with galactocentric radius. ------------------------------------------------------------------------------------ Observations Description ------------------------ Our goals are to detect a bimodal metallicity distribution in the stellar halo of NGC 3115, and to measure the gradients with radius of the amplitudes and mean metallicities of the bimodal peaks. We will observe three fields near the minor axis: one in the "near" halo, a middle field where we expect the contribution from metal-poor and metal-rich stars to be approximately equal, and a distant field where very few metal-rich stars should be present. These pointings are located at projected radii of 6, 12, and 18 arcmin (~16, 32, 47 kpc). We observe along the minor axis because the metal-poor globular clusters (GCs) have a rounder spatial distribution than the metal-rich GC system (which is elongated along the major axis), so the metal-poor red giants are expected to "emerge" sooner along the minor than major axis. To do this as efficiently as possible, we will observe simultaneously with ACS (F606W) and WFC3 (F110W), doing half of the observations with two visits, then when HST has rolled to the opposite side, doing the other half of the observations in two more visits. The middle field gets twice the exposure time 13048( 6) - 05-Jul-2012 15:16:10 - [ 2] of the other two fields, as is necessary to distinguish the two metallicity peaks of nearly equal amplitude that are expected in this field. The choice of filters is motivated by the requirements of a wide wavelength baseline (to separate out the metallicity peaks as much as possible), and matching between instrumental efficiency and red giant branch spectral energy distributions. Previous work on this topic has focused on the F606W−F814W combination (similar to V−I), but the advent of the F110W filter with its redder wavelength and wide bandpass allows for significant improvements in measuring metallicity distributions. The limiting factor in the observations is the exposure time in F606W, which needs to go deep enough to reach even the reddest red giant branch stars. Our goal for the long, middle pointing is to obtain the complete metallicity distribution function in this region, allowing for metallicities up to [Fe/H] = −0.2, which we detect with S/N=5 per star. For the other two, shallower pointings, the primary objective is to characterize the metal-poor peak, which does not require reaching the most metal-rich end of the distribution. At the distance and foreground reddening of NGC 3115 the brightest of these metal-rich giants will have F606W~29.2, which by the ACS ETC and previous observations requires 31500 sec of exposure time to reach. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 13048( 6) - 05-Jul-2012 15:16:10 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-3115-1 GALAXY, HALO, RA=10H04M55.4000S +/- 0.1", J2000 V = 9.9 LENTICULAR DEC=-07D38'48.00" +/- 0.1" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-3115-2 GALAXY, HALO, RA=10H04M40.1130S +/- 0.1", J2000 V = 9.9 LENTICULAR DEC=-07D34'11.10" +/- 0.1" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-3115-3 GALAXY, HALO, RA=10H04M24.8540S +/- 0.1", J2000 V = 9.9 LENTICULAR DEC=-07D29'29.41" +/- 0.1" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. ------------------------------------------------------------------------------------------------------------------------------------ 13048( 6) - 05-Jul-2012 15:16:10 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 2 Primary_Pattern Secondary_Pattern Pattern_Type ACS-WFC-DITHER-LINE ACS-WFC-DITHER-LINE Pattern_Purpose DITHER DITHER Number_Of_Points 2 3 Point_Spacing 3.011 0.170 Line_Spacing Coordinate_Frame POS-TARG POS-TARG Pattern_Orient 85.28 47.23 Angle_Between_Sides Center_Pattern NO NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 3 Primary_Pattern Secondary_Pattern Pattern_Type ACS-WFC-DITHER-LINE ACS-WFC-DITHER-BOX Pattern_Purpose DITHER DITHER Number_Of_Points 2 4 Point_Spacing 3.011 0.265 Line_Spacing 0.187 Coordinate_Frame POS-TARG POS-TARG Pattern_Orient 85.28 20.67 Angle_Between_Sides 69.05 Center_Pattern NO NO ------------------------------------------------------------------------------------------------------------------------------------ 13048( 6) - 05-Jul-2012 15:16:10 - [ 5] Visit: 01 Visit Requirements: ORIENT 275D TO 275 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-3115-1 ACS/WFC ACCUM WFCENTER F606W 1 1200 S GS ACQ SCENARIO BASE1B3; see below PATTERN 3 1-2; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-3115-1 WFC3/IR MULTIAC IR-FIX F110W SAMP-SEQ=SPARS100, NSAMP=14 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 1 1 none none 1 1261.0 S NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 1 2 none none 1 1261.0 S NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 1 3 none none 2 1354.0 S NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 1 4 none none 2 1354.0 S NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 2 1 none none 3 1354.0 S NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 2 2 none none 3 1354.0 S NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 2 3 none none 4 1354.0 S NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 2 4 none none 4 1354.0 S NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 1 1 none none 1 N/A CUM NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 1 2 none none 1 N/A CUM NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 1 3 none none 2 N/A CUM NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 1 4 none none 2 N/A CUM NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 2 1 none none 3 N/A CUM NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 2 2 none none 3 N/A CUM NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 2 3 none none 4 N/A CUM NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 2 4 none none 4 N/A CUM 13048( 6) - 05-Jul-2012 15:16:10 - [ 6] Visit: 02 Visit Requirements: ORIENT 275D TO 275 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-3115-1 ACS/WFC ACCUM WFCENTER F606W 1 1200 S GS ACQ SCENARIO BASE1B3; see below PATTERN 2 1-2; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-3115-1 WFC3/IR MULTIAC IR-FIX F110W SAMP-SEQ=SPARS100, NSAMP=14 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 1 1 none none 1 1261.0 S NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 1 2 none none 1 1261.0 S NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 1 3 none none 2 1352.0 S NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 2 1 none none 2 1352.0 S NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 2 2 none none 3 1354.0 S NGC-3115-1 1 ACS/WFC ACCUM WFCENTER F606W 2 3 none none 3 1354.0 S NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 1 1 none none 1 N/A CUM NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 1 2 none none 1 N/A CUM NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 1 3 none none 2 N/A CUM NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 2 1 none none 2 N/A CUM NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 2 2 none none 3 N/A CUM NGC-3115-1 2 WFC3/IR MULTIAC IR-FIX F110W 2 3 none none 3 N/A CUM 13048( 6) - 05-Jul-2012 15:16:10 - [ 7] Visit: 03 Visit Requirements: ORIENT 275D TO 275 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-3115-2 ACS/WFC ACCUM WFCENTER F606W 1 1200 S GS ACQ SCENARIO SINGLE; see below PATTERN 3 1-2; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-3115-2 WFC3/IR MULTIAC IR-FIX F110W SAMP-SEQ=SPARS100, NSAMP=14 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 1 none none 1 1261.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 2 none none 1 1261.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 3 none none 2 1354.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 4 none none 2 1354.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 1 none none 3 1354.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 2 none none 3 1354.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 3 none none 4 1354.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 4 none none 4 1354.0 S NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 1 none none 1 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 2 none none 1 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 3 none none 2 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 4 none none 2 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 1 none none 3 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 2 none none 3 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 3 none none 4 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 4 none none 4 N/A CUM 13048( 6) - 05-Jul-2012 15:16:10 - [ 8] Visit: 04 Visit Requirements: ORIENT 275D TO 275 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-3115-2 ACS/WFC ACCUM WFCENTER F606W 1 1200 S GS ACQ SCENARIO SINGLE; see below PATTERN 2 1-2; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-3115-2 WFC3/IR MULTIAC IR-FIX F110W SAMP-SEQ=SPARS100, NSAMP=14 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 1 none none 1 1261.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 2 none none 1 1261.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 3 none none 2 1352.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 1 none none 2 1352.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 2 none none 3 1354.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 3 none none 3 1354.0 S NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 1 none none 1 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 2 none none 1 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 3 none none 2 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 1 none none 2 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 2 none none 3 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 3 none none 3 N/A CUM 13048( 6) - 05-Jul-2012 15:16:10 - [ 9] Visit: 05 Visit Requirements: ORIENT 94D TO 94 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-3115-3 ACS/WFC ACCUM WFCENTER F606W 1 1200 S PATTERN 3 1-2; PAR 2 see below WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-3115-3 WFC3/IR MULTIAC IR-FIX F110W SAMP-SEQ=SPARS100, NSAMP=14 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 1 1 none none 1 1261.0 S NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 1 2 none none 1 1261.0 S NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 1 3 none none 2 1354.0 S NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 1 4 none none 2 1354.0 S NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 2 1 none none 3 1354.0 S NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 2 2 none none 3 1354.0 S NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 2 3 none none 4 1354.0 S NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 2 4 none none 4 1354.0 S NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 1 1 none none 1 N/A CUM NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 1 2 none none 1 N/A CUM NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 1 3 none none 2 N/A CUM NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 1 4 none none 2 N/A CUM NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 2 1 none none 3 N/A CUM NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 2 2 none none 3 N/A CUM NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 2 3 none none 4 N/A CUM NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 2 4 none none 4 N/A CUM 13048( 6) - 05-Jul-2012 15:16:10 - [ 10] Visit: 06 Visit Requirements: ORIENT 94D TO 94 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-3115-3 ACS/WFC ACCUM WFCENTER F606W 1 1200 S PATTERN 2 1-2; PAR 2 see below WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-3115-3 WFC3/IR MULTIAC IR-FIX F110W SAMP-SEQ=SPARS100, NSAMP=14 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 1 1 none none 1 1261.0 S NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 1 2 none none 1 1261.0 S NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 1 3 none none 2 1352.0 S NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 2 1 none none 2 1352.0 S NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 2 2 none none 3 1354.0 S NGC-3115-3 1 ACS/WFC ACCUM WFCENTER F606W 2 3 none none 3 1354.0 S NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 1 1 none none 1 N/A CUM NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 1 2 none none 1 N/A CUM NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 1 3 none none 2 N/A CUM NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 2 1 none none 2 N/A CUM NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 2 2 none none 3 N/A CUM NGC-3115-3 2 WFC3/IR MULTIAC IR-FIX F110W 2 3 none none 3 N/A CUM 13048( 6) - 05-Jul-2012 15:16:10 - [ 11] Visit: 07 Visit Requirements: ORIENT 94D TO 94 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-3115-2 ACS/WFC ACCUM WFCENTER F606W 1 1200 S PATTERN 3 1-2; PAR 2 see below WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-3115-2 WFC3/IR MULTIAC IR-FIX F110W SAMP-SEQ=SPARS100, NSAMP=14 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 1 none none 1 1261.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 2 none none 1 1261.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 3 none none 2 1354.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 4 none none 2 1354.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 1 none none 3 1354.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 2 none none 3 1354.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 3 none none 4 1354.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 4 none none 4 1354.0 S NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 1 none none 1 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 2 none none 1 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 3 none none 2 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 4 none none 2 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 1 none none 3 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 2 none none 3 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 3 none none 4 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 4 none none 4 N/A CUM 13048( 6) - 05-Jul-2012 15:16:10 - [ 12] Visit: 08 Visit Requirements: ORIENT 94D TO 94 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-3115-2 ACS/WFC ACCUM WFCENTER F606W 1 1200 S PATTERN 2 1-2; PAR 2 see below WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-3115-2 WFC3/IR MULTIAC IR-FIX F110W SAMP-SEQ=SPARS100, NSAMP=14 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 1 none none 1 1261.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 2 none none 1 1261.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 1 3 none none 2 1352.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 1 none none 2 1352.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 2 none none 3 1354.0 S NGC-3115-2 1 ACS/WFC ACCUM WFCENTER F606W 2 3 none none 3 1354.0 S NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 1 none none 1 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 2 none none 1 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 1 3 none none 2 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 1 none none 2 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 2 none none 3 N/A CUM NGC-3115-2 2 WFC3/IR MULTIAC IR-FIX F110W 2 3 none none 3 N/A CUM 13048( 6) - 05-Jul-2012 15:16:10 - [ 13] Summary Form for Proposal 13048 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures IR-FIX, WFCENTER ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/IR ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters NSAMP=14, SAMP-SEQ=SPARS100 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements GS ACQ SCENARIO BASE1B3, GS ACQ SCENARIO SINGLE, ORIENT 275D TO 275 D, ORIENT 94D TO 94 D, PAR 2 WITH 1, PATTERN 2 1-2, PATTERN 3 1-2 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F110W, F606W ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC-3115-1, NGC-3115-2, NGC-3115-3 ------------------------------------------------------------------------------------------------------------------------------------