12202( 3) - 06-Jan-2012 15:50:08 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 12202 Version: 3 Check-in Time: 06-Jan-2012 15:50:08 STScI Edit Number: 1 Title Wide-Field Hubble Observations of NGC 1023: Testing the Origin of Low-Mass X-ray Binaries in a Lenticular Galaxy ------------------------------------------------------------------------------------ Type Cycle GO 18 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Gregory R. Sivakoff The University of Virginia CoI: Dr. Craig L. Sarazin The University of Virginia N CoI: Dr. Andres Jordan Pontificia Universidad Catolica de Chile N CoI: Dr. Eric W. Peng Peking University N ------------------------------------------------------------------------------------ Abstract Extragalactic low-mass X-ray binaries (LMXBs) can constrain galaxy histories, but we must first understand whether LMXBs present in the fields of galaxies were formed primordially in situ or dynamically in globular clusters (GCs). We propose 8 orbits of HST-ACS on NGC1023, one of the nearest, massive lenticular galaxies, which will complement 192 ks of ACIS-S observations. We will detect ~70 Field-LMXBs and ~400 stellar clusters. Our comparison of the spatial distributions of field-LMXBs, GCs, and field stars in NGC1023 will constrain the origin of field LMXBs. Our observations will also perform the most complete census of diffuse star clusters (DSCs) to date. By probing the connection of DSCs to LMXBs, we will also test the dynamical formation model of LMXBs in stellar clusters. ------------------------------------------------------------------------------------ Observations Description ------------------------ ACS/WFC observations will be used to characterize globular clusters (GCs) and diffuse stellar clusters, and to identify objects unrelated to NGC 1023. Combined with Chandra observations, we will compare the spatial distributions of low-mass X-ray binaries (LMXBs), GCs, and field stars in NGC1023 and constrain the origin of LMXBs that appear in the field of the galaxy. We will perform an 8 pointing mosaic to provide complete coverage of NGC 1023 beyond the isophotal Ks = 20 mag arcsec^-2 surface. For the two pointings covering the central field, we will observe in F475W for 776s total exposure and in F850LP for 1226s total exposure using 2-point hot-pixel dither patterns plus a 90s exposure to avoid saturation at the galaxy center. For the remaining pointings, we will combine F475W observations for 768s total exposure using a 2-point hot-pixel dither pattern and F850LP observations for 1308s total exposure using a 3-point hot-pixel dither pattern. Our chosen dither patterns optimize the rejection of hot pixels and cosmic rays while maximizing total exposure time. NGC 1023 is schedulable for ~25 days. Real Time Justification ----------------------- Calibration Justification ------------------------- 12202( 3) - 06-Jan-2012 15:50:08 - [ 2] Additional Comments ------------------- ------------------------------------------------------------------------------------ 12202( 3) - 06-Jan-2012 15:50:08 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-1023 GALAXY, LENTICULAR RA=02H40M24.0125S +/- 0.1", J2000 V=22.9, magnitude is that of a typical DEC=+39D03'47.70" +/- 0.1" globular cluster in NGC 1023 Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 12202( 3) - 06-Jan-2012 15:50:08 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type ACS-WFC-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.145 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 47.23 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 2 Primary_Pattern Secondary_Pattern Pattern_Type ACS-WFC-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 3 Point_Spacing 0.145 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 47.23 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 12202( 3) - 06-Jan-2012 15:50:08 - [ 5] Visit: 01 Visit Requirements: ORIENT 218.0D TO 222.0 D; ORIENT 38.0D TO 42.0 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-1023 ACS/WFC ACCUM WFCENTER F475W CR-SPLIT=NO 1 384.0 S POS TARG -149.24717562581924, 36.8792688006107; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1023 ACS/WFC ACCUM WFCENTER F850LP CR-SPLIT=NO 1 436.0 S POS TARG -149.24717562581924, 36.8792688006107; PATTERN 2 2 ------------------------------------------------------------------------------------------------------------------------------------ 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-1023 1 ACS/WFC ACCUM WFCENTER F475W 1 none none none 1 N/A NGC-1023 1 ACS/WFC ACCUM WFCENTER F475W 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 1 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 3 none none none 1 N/A 12202( 3) - 06-Jan-2012 15:50:08 - [ 6] Visit: 02 Visit Requirements: SAME ORIENT AS 01 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-1023 ACS/WFC ACCUM WFCENTER F850LP 1 90 S POS TARG -49.1772991027684, -53.22405273312974 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1023 ACS/WFC ACCUM WFCENTER F850LP CR-SPLIT=NO 1 613 S POS TARG -49.1772991027684, -53.22405273312974; PATTERN 1 2 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-1023 ACS/WFC ACCUM WFCENTER F475W CR-SPLIT=NO 1 388 S POS TARG -49.1772991027684, -53.22405273312974; 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1023 1 ACS/WFC ACCUM WFCENTER F850LP none none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 1 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 2 none none none 1 N/A NGC-1023 3 ACS/WFC ACCUM WFCENTER F475W 1 none none none 1 N/A NGC-1023 3 ACS/WFC ACCUM WFCENTER F475W 2 none none none 1 N/A 12202( 3) - 06-Jan-2012 15:50:08 - [ 7] Visit: 03 Visit Requirements: SAME ORIENT AS 01 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-1023 ACS/WFC ACCUM WFCENTER F475W CR-SPLIT=NO 1 384.0 S POS TARG 50.892577420282436, -143.32737426687018; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1023 ACS/WFC ACCUM WFCENTER F850LP CR-SPLIT=NO 1 436.0 S POS TARG 50.892577420282436, -143.32737426687018; PATTERN 2 2 ------------------------------------------------------------------------------------------------------------------------------------ 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-1023 1 ACS/WFC ACCUM WFCENTER F475W 1 none none none 1 N/A NGC-1023 1 ACS/WFC ACCUM WFCENTER F475W 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 1 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 3 none none none 1 N/A 12202( 3) - 06-Jan-2012 15:50:08 - [ 8] Visit: 04 Visit Requirements: SAME ORIENT AS 01 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-1023 ACS/WFC ACCUM WFCENTER F475W CR-SPLIT=NO 1 384.0 S POS TARG 150.9624539433333, -233.43069580061064; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1023 ACS/WFC ACCUM WFCENTER F850LP CR-SPLIT=NO 1 436.0 S POS TARG 150.9624539433333, -233.43069580061064; PATTERN 2 2 ------------------------------------------------------------------------------------------------------------------------------------ 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-1023 1 ACS/WFC ACCUM WFCENTER F475W 1 none none none 1 N/A NGC-1023 1 ACS/WFC ACCUM WFCENTER F475W 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 1 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 3 none none none 1 N/A 12202( 3) - 06-Jan-2012 15:50:08 - [ 9] Visit: 05 Visit Requirements: SAME ORIENT AS 01 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-1023 ACS/WFC ACCUM WFCENTER F475W CR-SPLIT=NO 1 384.0 S POS TARG -150.9624539433332, 233.43069580061064; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1023 ACS/WFC ACCUM WFCENTER F850LP CR-SPLIT=NO 1 436.0 S POS TARG -150.9624539433332, 233.43069580061064; PATTERN 2 2 ------------------------------------------------------------------------------------------------------------------------------------ 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-1023 1 ACS/WFC ACCUM WFCENTER F475W 1 none none none 1 N/A NGC-1023 1 ACS/WFC ACCUM WFCENTER F475W 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 1 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 3 none none none 1 N/A 12202( 3) - 06-Jan-2012 15:50:08 - [ 10] Visit: 06 Visit Requirements: SAME ORIENT AS 01 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-1023 ACS/WFC ACCUM WFCENTER F475W CR-SPLIT=NO 1 384.0 S POS TARG -50.892577420282365, 143.3273742668702; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1023 ACS/WFC ACCUM WFCENTER F850LP CR-SPLIT=NO 1 436.0 S POS TARG -50.892577420282365, 143.3273742668702; PATTERN 2 2 ------------------------------------------------------------------------------------------------------------------------------------ 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-1023 1 ACS/WFC ACCUM WFCENTER F475W 1 none none none 1 N/A NGC-1023 1 ACS/WFC ACCUM WFCENTER F475W 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 1 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 3 none none none 1 N/A 12202( 3) - 06-Jan-2012 15:50:08 - [ 11] Visit: 07 Visit Requirements: SAME ORIENT AS 01 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-1023 ACS/WFC ACCUM WFCENTER F850LP 1 90 S POS TARG 49.17729910276847, 53.22405273312977 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1023 ACS/WFC ACCUM WFCENTER F850LP CR-SPLIT=NO 1 613 S POS TARG 49.17729910276847, 53.22405273312977; PATTERN 1 2 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-1023 ACS/WFC ACCUM WFCENTER F475W CR-SPLIT=NO 1 388 S POS TARG 49.17729910276847, 53.22405273312977; 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1023 1 ACS/WFC ACCUM WFCENTER F850LP none none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 1 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 2 none none none 1 N/A NGC-1023 3 ACS/WFC ACCUM WFCENTER F475W 1 none none none 1 N/A NGC-1023 3 ACS/WFC ACCUM WFCENTER F475W 2 none none none 1 N/A 12202( 3) - 06-Jan-2012 15:50:08 - [ 12] Visit: 08 Visit Requirements: SAME ORIENT AS 01 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-1023 ACS/WFC ACCUM WFCENTER F475W CR-SPLIT=NO 1 384.0 S POS TARG 149.2471756258193, -36.879268800610674; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1023 ACS/WFC ACCUM WFCENTER F850LP CR-SPLIT=NO 1 436.0 S POS TARG 149.2471756258193, -36.879268800610674; PATTERN 2 2 ------------------------------------------------------------------------------------------------------------------------------------ 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-1023 1 ACS/WFC ACCUM WFCENTER F475W 1 none none none 1 N/A NGC-1023 1 ACS/WFC ACCUM WFCENTER F475W 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 1 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 3 none none none 1 N/A 12202( 3) - 06-Jan-2012 15:50:08 - [ 13] Visit: 58 Visit Requirements: SAME ORIENT AS 01 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-1023 ACS/WFC ACCUM WFCENTER F475W CR-SPLIT=NO 1 384.0 S POS TARG 149.2471756258193, -36.879268800610674; PATTERN 1 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1023 ACS/WFC ACCUM WFCENTER F850LP CR-SPLIT=NO 1 436.0 S POS TARG 149.2471756258193, -36.879268800610674; PATTERN 2 2 ------------------------------------------------------------------------------------------------------------------------------------ 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-1023 1 ACS/WFC ACCUM WFCENTER F475W 1 none none none 1 N/A NGC-1023 1 ACS/WFC ACCUM WFCENTER F475W 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 1 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 2 none none none 1 N/A NGC-1023 2 ACS/WFC ACCUM WFCENTER F850LP 3 none none none 1 N/A 12202( 3) - 06-Jan-2012 15:50:08 - [ 14] Summary Form for Proposal 12202 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures WFCENTER ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 218.0D TO 222.0 D, ORIENT 38.0D TO 42.0 D, PATTERN 1 1, PATTERN 1 2, PATTERN 1 3, PATTERN 2 2, POS TARG -149.24717562581924, 36.8792688006107, POS TARG -150.9624539433332, 233.43069580061064, POS TARG -49.1772991027684, -53.22405273312974, POS TARG -50.892577420282365, 143.3273742668702, POS TARG 149.2471756258193, -36.879268800610674, POS TARG 150.9624539433333, -233.43069580061064, POS TARG 49.17729910276847, 53.22405273312977, POS TARG 50.892577420282436, -143.32737426687018, SAME ORIENT AS 01 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F475W, F850LP ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC-1023 ------------------------------------------------------------------------------------------------------------------------------------