10094( 4) - 01/05/05 10:35 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 10094 Version: 4 Check-in Date: 05-Jan-2005 15:33:47 1.Proposal Title: Mid-Ultraviolet Spectral Templates for Old Stellar Systems ------------------------------------------------------------------------------------ 2. Proposal For 3. Cycle 4. Parallel Pointing Tolerance GO 13 ------------------------------------------------------------------------------------ 5. Investigators Contact? PI: Dr. Ruth C. Peterson Astrophysical Advances CoI: Dr. Bruce W. Carney University of North Carolina at Chapel N Hill CoI: Dr. Elizabeth M. Green University of Arizona N CoI: Dr. Wayne B. Landsman Science Systems and Applications, Inc. N CoI: Dr. James Liebert University of Arizona N CoI: Prof. Robert W. O'Connell The University of Virginia N CoI: Prof. Robert T. Rood The University of Virginia N CoI: Dr. Ricardo P. Schiavon The University of Virginia N ------------------------------------------------------------------------------------ 6. Abstract We propose a three-year program to provide both observational and theoretical mid- ultraviolet (2300A -- 3100A) spectral templates for interpreting the age and metallicity of globular clusters and elliptical galaxies from spectra of their integrated light. The mid-UV is the region most directly influenced by stellar age, and is observed directly in optical and infrared studies of high-redshift quiescent systems. The reliability of age and metallicity determinations remains questionable until non-solar metallicities and abundance ratios are considered, and stars spanning the color-magnitude diagram are included, as we propose here. With archival HST STIS spectra we have improved the list of mid-UV atomic line parameters, then calculated spectra from first principles which match observed spectra of standard stars up to one- fourth solar metallicity. We will extend both observations and calculations to stars of solar metallicity and beyond, and to those in short-lived stages hotter than the main-sequence turnoff, stars not currently well-represented in empirical libraries. The necessary line-list improvements will come from new high-resolution mid-UV spectra of nine field stars. A key application of the results of this program will be to the old systems now being discovered as `Extremely Red Objects' at high redshifts. Reliable age-dating of these places constraints on the epoch when large structures first formed in the universe. ------------------------------------------------------------------------------------ 10094( 4) - 01/05/05 10:35 - [ 2] Observations Description ------------------------ This is the third year of a three-year Treasury program to obtain mid-UV spectra of stars and M31 globular clusters, in order to develop tools and methods for deriving the age and metallicity of old stellar systems from spectra of their integrated light. In Cycle 13, mid-UV prism spectra will be obtained for stars in the old open cluster NGC 6791, to extend to higher-than- solar metallicity the cluster stars with mid-UV spectra, to aid in calibration of the mid-UV line list (see Peterson, Dorman, & Rood 2001, ApJ, 559, 372). ACS HRC imaging will also be obtained for G174, a globular cluster in Andromeda (M31). The proprietary period is waived for all data. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 10094( 4) - 01/05/05 10:35 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC6791- STAR, F3-F9 RA=19H20M50.0000S +/- 0.2", J2000 V = - V = 16.22+/-0.04 KR7601-CEN DEC=+37D46'54.75" +/- 0.2" 42.7 B-V = 0.71+/-0.02 E(B-V) = 0.13+/-0.02 Coordinate Source: Other_Source: C PALMA 6/19/00 Comments: Includes KR7601, KR7595, KR7594. These coords are midway between KR7601 and KR7595, C Palma 6/19/00 Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 1991.25 0.0 0.0 0.0 15 NGC221-G174 EXT-CLUSTER, GLOBULAR RA=00H42M33.2200S +/- 0.3S, J2000 V = - V = 16.26+/-0.1 CLUSTER DEC=+41D17'41.90" +/- 1.5", 286.0 INT(V) = 16.26 PLATE-ID=0738 INT(U) = 18.07 B-V = 1.07 U-B = 0.74 E(B-V) = 0.08+/-0.4 Coordinate Source: HST_IMAGE Comments: Coordinates from NICMOS HST_Image. INT(U)+ from Barmby+ 2000. V=INT(V) 25 NGC6791- STAR, F3-F9 RA=19H20M50.5800S +/- 0.2", J2000 V = - V = 16.51+/-0.04 KR8894-CEN DEC=+37D45'41.30" +/- 0.2" 42.7 B-V = 0.78+/-0.02 E(B-V) = 0.13+/-0.02 Coordinate Source: Other_Source: C PALMA 6/19/00 Comments: Includes KR8894, KR8844, KR8860, and KR8702. These coords are cbout in the center, C Palma 6/19/00 Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 1991.25 0.0 0.0 0.0 10094( 4) - 01/05/05 10:35 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type ACS-HRC-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.198 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 44.28 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 10094( 4) - 01/05/05 10:35 - [ 5] Visit: 25 Visit Priority: Visit Requirements: ORIENT 304.7D TO 314.7 D; ORIENT 124.7D TO 134.7 D On Hold Comments: Additional Comments: Orientation unchecked; not in VTT Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC6791-KR8 ACS/HRC ACCUM HRC PR200L CR-SPLIT=6,GAIN=4 1 2118 S 894-CEN ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC6791-KR8 ACS/HRC ACCUM HRC PR200L CR-SPLIT=4,GAIN=4 1 2328 S POS TARG 0.142, 0.138 894-CEN ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC6791-KR8 ACS/HRC ACCUM HRC PR200L CR-SPLIT=4,GAIN=4 1 2328 S POS TARG -0.142,-0.138 894-CEN ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC6791-KR8894-CEN 1 ACS/HRC ACCUM HRC PR200L none none none 1 1 N/A NGC6791-KR8894-CEN 1 ACS/HRC ACCUM HRC PR200L none none none 2 1 N/A NGC6791-KR8894-CEN 1 ACS/HRC ACCUM HRC PR200L none none none 3 1 N/A NGC6791-KR8894-CEN 1 ACS/HRC ACCUM HRC PR200L none none none 4 1 N/A NGC6791-KR8894-CEN 1 ACS/HRC ACCUM HRC PR200L none none none 5 1 N/A NGC6791-KR8894-CEN 1 ACS/HRC ACCUM HRC PR200L none none none 6 1 N/A NGC6791-KR8894-CEN 2 ACS/HRC ACCUM HRC PR200L none none none 1 2 N/A NGC6791-KR8894-CEN 2 ACS/HRC ACCUM HRC PR200L none none none 2 2 N/A NGC6791-KR8894-CEN 2 ACS/HRC ACCUM HRC PR200L none none none 3 2 N/A NGC6791-KR8894-CEN 2 ACS/HRC ACCUM HRC PR200L none none none 4 2 N/A NGC6791-KR8894-CEN 3 ACS/HRC ACCUM HRC PR200L none none none 1 3 N/A NGC6791-KR8894-CEN 3 ACS/HRC ACCUM HRC PR200L none none none 2 3 N/A NGC6791-KR8894-CEN 3 ACS/HRC ACCUM HRC PR200L none none none 3 3 N/A NGC6791-KR8894-CEN 3 ACS/HRC ACCUM HRC PR200L none none none 4 3 N/A 10094( 4) - 01/05/05 10:35 - [ 6] Visit: 26 Visit Priority: Visit Requirements: ORIENT 280.2D TO 290.2 D; ORIENT 100.2D TO 110.2 D On Hold Comments: Additional Comments: Orientation unchecked; not in VTT Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC6791-KR7 ACS/HRC ACCUM HRC PR200L CR-SPLIT=6,GAIN=4 1 2124 S 601-CEN ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC6791-KR7 ACS/HRC ACCUM HRC PR200L CR-SPLIT=4,GAIN=4 1 2340 S POS TARG 0.142, 0.138 601-CEN ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC6791-KR7 ACS/HRC ACCUM HRC PR200L CR-SPLIT=4,GAIN=4 1 2340 S POS TARG -0.142,-0.138 601-CEN ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC6791-KR7601-CEN 1 ACS/HRC ACCUM HRC PR200L none none none 1 1 N/A NGC6791-KR7601-CEN 1 ACS/HRC ACCUM HRC PR200L none none none 2 1 N/A NGC6791-KR7601-CEN 1 ACS/HRC ACCUM HRC PR200L none none none 3 1 N/A NGC6791-KR7601-CEN 1 ACS/HRC ACCUM HRC PR200L none none none 4 1 N/A NGC6791-KR7601-CEN 1 ACS/HRC ACCUM HRC PR200L none none none 5 1 N/A NGC6791-KR7601-CEN 1 ACS/HRC ACCUM HRC PR200L none none none 6 1 N/A NGC6791-KR7601-CEN 2 ACS/HRC ACCUM HRC PR200L none none none 1 2 N/A NGC6791-KR7601-CEN 2 ACS/HRC ACCUM HRC PR200L none none none 2 2 N/A NGC6791-KR7601-CEN 2 ACS/HRC ACCUM HRC PR200L none none none 3 2 N/A NGC6791-KR7601-CEN 2 ACS/HRC ACCUM HRC PR200L none none none 4 2 N/A NGC6791-KR7601-CEN 3 ACS/HRC ACCUM HRC PR200L none none none 1 3 N/A NGC6791-KR7601-CEN 3 ACS/HRC ACCUM HRC PR200L none none none 2 3 N/A NGC6791-KR7601-CEN 3 ACS/HRC ACCUM HRC PR200L none none none 3 3 N/A NGC6791-KR7601-CEN 3 ACS/HRC ACCUM HRC PR200L none none none 4 3 N/A 10094( 4) - 01/05/05 10:35 - [ 7] Visit: 44 Visit Priority: Visit Requirements: 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 NGC221-G174 ACS/HRC ACCUM HRC F555W CR-SPLIT=3 1 1296 S PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC221-G174 ACS/HRC ACCUM HRC F435W CR-SPLIT=3 1 1341 S PATTERN 1 2 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC221-G174 ACS/HRC ACCUM HRC F850LP CR-SPLIT=3 1 1350 S PATTERN 1 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC221-G174 ACS/HRC ACCUM HRC F814W CR-SPLIT=3 1 1350 S PATTERN 1 4 ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC221-G174 ACS/HRC ACCUM HRC F330W CR-SPLIT=3 1 1350 S PATTERN 1 5 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC221-G174 1 ACS/HRC ACCUM HRC F555W 1 none none 1 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F555W 1 none none 2 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F555W 1 none none 3 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F555W 2 none none 1 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F555W 2 none none 2 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F555W 2 none none 3 1 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F435W 1 none none 1 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F435W 1 none none 2 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F435W 1 none none 3 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F435W 2 none none 1 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F435W 2 none none 2 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F435W 2 none none 3 2 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F850LP 1 none none 1 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F850LP 1 none none 2 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F850LP 1 none none 3 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F850LP 2 none none 1 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F850LP 2 none none 2 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F850LP 2 none none 3 3 N/A NGC221-G174 4 ACS/HRC ACCUM HRC F814W 1 none none 1 4 N/A NGC221-G174 4 ACS/HRC ACCUM HRC F814W 1 none none 2 4 N/A NGC221-G174 4 ACS/HRC ACCUM HRC F814W 1 none none 3 4 N/A NGC221-G174 4 ACS/HRC ACCUM HRC F814W 2 none none 1 4 N/A NGC221-G174 4 ACS/HRC ACCUM HRC F814W 2 none none 2 4 N/A NGC221-G174 4 ACS/HRC ACCUM HRC F814W 2 none none 3 4 N/A NGC221-G174 5 ACS/HRC ACCUM HRC F330W 1 none none 1 5 N/A 10094( 4) - 01/05/05 10:35 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC221-G174 5 ACS/HRC ACCUM HRC F330W 1 none none 2 5 N/A NGC221-G174 5 ACS/HRC ACCUM HRC F330W 1 none none 3 5 N/A NGC221-G174 5 ACS/HRC ACCUM HRC F330W 2 none none 1 5 N/A NGC221-G174 5 ACS/HRC ACCUM HRC F330W 2 none none 2 5 N/A NGC221-G174 5 ACS/HRC ACCUM HRC F330W 2 none none 3 5 N/A 10094( 4) - 01/05/05 10:35 - [ 9] Visit: 45 Visit Priority: Visit Requirements: 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 NGC221-G174 ACS/HRC ACCUM HRC F330W CR-SPLIT=3 1 1296 S PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC221-G174 ACS/HRC ACCUM HRC F330W CR-SPLIT=3 1 1362 S PATTERN 1 2 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC221-G174 ACS/HRC ACCUM HRC F330W CR-SPLIT=3 1 1362 S PATTERN 1 3 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC221-G174 1 ACS/HRC ACCUM HRC F330W 1 none none 1 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F330W 1 none none 2 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F330W 1 none none 3 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F330W 2 none none 1 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F330W 2 none none 2 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F330W 2 none none 3 1 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F330W 1 none none 1 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F330W 1 none none 2 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F330W 1 none none 3 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F330W 2 none none 1 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F330W 2 none none 2 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F330W 2 none none 3 2 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F330W 1 none none 1 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F330W 1 none none 2 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F330W 1 none none 3 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F330W 2 none none 1 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F330W 2 none none 2 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F330W 2 none none 3 3 N/A 10094( 4) - 01/05/05 10:35 - [ 10] Visit: 46 Visit Priority: Visit Requirements: 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 NGC221-G174 ACS/HRC ACCUM HRC F250W CR-SPLIT=3 1 2751 S ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC221-G174 ACS/HRC ACCUM HRC F250W CR-SPLIT=3 1 2901 S POS TARG 0.142, 0.051 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC221-G174 ACS/HRC ACCUM HRC F250W CR-SPLIT=3 1 2901 S POS TARG 0.071, 0.119 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC221-G174 ACS/HRC ACCUM HRC F250W CR-SPLIT=3 1 2901 S POS TARG -0.071, 0.067 ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC221-G174 ACS/HRC ACCUM HRC F250W CR-SPLIT=3 1 2901 S POS TARG -0.071, 0.067 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC221-G174 1 ACS/HRC ACCUM HRC F250W none none none 1 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F250W none none none 2 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F250W none none none 3 1 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F250W none none none 1 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F250W none none none 2 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F250W none none none 3 2 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F250W none none none 1 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F250W none none none 2 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F250W none none none 3 3 N/A NGC221-G174 4 ACS/HRC ACCUM HRC F250W none none none 1 4 N/A NGC221-G174 4 ACS/HRC ACCUM HRC F250W none none none 2 4 N/A NGC221-G174 4 ACS/HRC ACCUM HRC F250W none none none 3 4 N/A NGC221-G174 5 ACS/HRC ACCUM HRC F250W none none none 1 5 N/A NGC221-G174 5 ACS/HRC ACCUM HRC F250W none none none 2 5 N/A NGC221-G174 5 ACS/HRC ACCUM HRC F250W none none none 3 5 N/A 10094( 4) - 01/05/05 10:35 - [ 11] Visit: 47 Visit Priority: Visit Requirements: 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 NGC221-G174 ACS/HRC ACCUM HRC F250W CR-SPLIT=3 1 2751 S ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC221-G174 ACS/HRC ACCUM HRC F250W CR-SPLIT=3 1 2901 S POS TARG 0.142, 0.051 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC221-G174 ACS/HRC ACCUM HRC F250W CR-SPLIT=3 1 2901 S POS TARG 0.071, 0.119 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC221-G174 ACS/HRC ACCUM HRC F250W CR-SPLIT=3 1 2901 S POS TARG -0.071, 0.067 ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC221-G174 ACS/HRC ACCUM HRC F250W CR-SPLIT=3 1 2901 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC221-G174 1 ACS/HRC ACCUM HRC F250W none none none 1 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F250W none none none 2 1 N/A NGC221-G174 1 ACS/HRC ACCUM HRC F250W none none none 3 1 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F250W none none none 1 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F250W none none none 2 2 N/A NGC221-G174 2 ACS/HRC ACCUM HRC F250W none none none 3 2 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F250W none none none 1 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F250W none none none 2 3 N/A NGC221-G174 3 ACS/HRC ACCUM HRC F250W none none none 3 3 N/A NGC221-G174 4 ACS/HRC ACCUM HRC F250W none none none 1 4 N/A NGC221-G174 4 ACS/HRC ACCUM HRC F250W none none none 2 4 N/A NGC221-G174 4 ACS/HRC ACCUM HRC F250W none none none 3 4 N/A NGC221-G174 5 ACS/HRC ACCUM HRC F250W none none none 1 5 N/A NGC221-G174 5 ACS/HRC ACCUM HRC F250W none none none 2 5 N/A NGC221-G174 5 ACS/HRC ACCUM HRC F250W none none none 3 5 N/A 10094( 4) - 01/05/05 10:35 - [ 12] Summary Form for Proposal 10094 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures HRC ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/HRC ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=6 GAIN=4 CR-SPLIT=4 CR-SPLIT=3 ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category GO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 304.7D TO 314.7 D; ORIENT 124.7D TO 134.7 D POS TARG 0.142, 0.138 POS TARG -0.142,-0.138 ORIENT 280.2D TO 290.2 D; ORIENT 100.2D TO 110.2 D PATTERN 1 1 PATTERN 1 2 PATTERN 1 3 PATTERN 1 4 PATTERN 1 5 POS TARG 0.142, 0.051 POS TARG 0.071, 0.119 POS TARG -0.071, 0.067 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements PR200L F555W F435W F850LP F814W F330W F250W ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC6791-KR8894-CEN NGC6791-KR7601-CEN NGC221-G174 ------------------------------------------------------------------------------------------------------------------------------------