12371( 2) - 01-Oct-2010 22:37:02 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 12371 Version: 2 Check-in Time: 01-Oct-2010 22:37:02 STScI Edit Number: 0 Title Does the brightest lensed galaxy contain an AGN? ------------------------------------------------------------------------------------ Type Cycle GO 18 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Jane R. Rigby Carnegie Institution of Washington CoI: Dr. Michael D. Gladders University of Chicago N CoI: Ms. Eva Wuyts University of Chicago N CoI: Dr. Amalia Hicks Michigan State University N CoI: Dr. Megan Gralla University of Chicago N CoI: Dr. Keren Sharon University of Chicago N CoI: Dr. John S. Mulchaey Carnegie Institution of Washington N ------------------------------------------------------------------------------------ Abstract We have recently discovered the brightest lensed galaxy known. Its high quality spectra are revealing a wealth of spectral diagnostics, providing a unique window on the physical conditions of star formation at the epoch when most stars formed. The caveat is that at present, we do not know whether this lensed galaxy hosts an AGN, which would throw off the nebular line diagnostics. We propose a 60 ks Chandra observation to measure or strictly constrain the X-ray luminosity of an active nucleus. We also propose 3 HST orbits to search for optical signs of an AGN. ------------------------------------------------------------------------------------ Observations Description ------------------------ Ramp Filter observation of extended target. Ist orbit centered on emission feature, 2nd orbit off feature on nearby continuum. 3rd orbit is broadband ACS to provide a second cechk of AGN activity via variability against Program 12267. We have also attempted to optimise the F814W ACS imaging to allow a weak lensing measurement of the lens - hence the relatively large dither mid-orbit. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 12371( 2) - 01-Oct-2010 22:37:02 - [ 2] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 RCS0327-1326 CLUSTER OF GALAXIES, RA=03H27M28.1600S +/- 0.1", J2000 V = 19.1 +/- 0.2 -ARC-CENTER GRAVITATIONAL LENS DEC=-13D26'12.20" +/- 0.1" Reference Frame: ICRS Comments: ------------------------------------------------------------------------------------------------------------------------------------ 2 RCS0327-1326 CLUSTER OF GALAXIES, RA=03H27M27.2000S +/- 0.1", J2000 V = 19.1 +/- 0.2 -CLUSTER-CEN GRAVITATIONAL LENS DEC=-13D26'24.00" +/- 0.1" TER Reference Frame: ICRS Comments: ------------------------------------------------------------------------------------------------------------------------------------ 12371( 2) - 01-Oct-2010 22:37:02 - [ 3] Visit: 01 Visit Requirements: ORIENT 210.0D TO 70.0 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 RCS0327-132 ACS/WFC ACCUM WFC2-ORAM FR782N 7637 1 500 S 6-ARC-CENTE PQ see below R ------------------------------------------------------------------------------------------------------------------------------------ 2 RCS0327-132 ACS/WFC ACCUM WFC2-ORAM FR782N 7637 1 500 S 6-ARC-CENTE PQ see below R ------------------------------------------------------------------------------------------------------------------------------------ 3 RCS0327-132 ACS/WFC ACCUM WFC2-ORAM FR782N 7637 1 500 S 6-ARC-CENTE PQ see below R ------------------------------------------------------------------------------------------------------------------------------------ 4 RCS0327-132 ACS/WFC ACCUM WFC2-ORAM FR782N 7637 1 500 S 6-ARC-CENTE PQ see below R ------------------------------------------------------------------------------------------------------------------------------------ 5 RCS0327-132 ACS/WFC ACCUM WFC2-ORAM FR782N 7674 1 500 S 6-ARC-CENTE PQ see below R ------------------------------------------------------------------------------------------------------------------------------------ 6 RCS0327-132 ACS/WFC ACCUM WFC2-ORAM FR782N 7674 1 500 S 6-ARC-CENTE PQ see below R ------------------------------------------------------------------------------------------------------------------------------------ 7 RCS0327-132 ACS/WFC ACCUM WFC2-ORAM FR782N 7674 1 500 S 6-ARC-CENTE PQ see below R ------------------------------------------------------------------------------------------------------------------------------------ 8 RCS0327-132 ACS/WFC ACCUM WFC2-ORAM FR782N 7674 1 500 S 6-ARC-CENTE PQ see below R ------------------------------------------------------------------------------------------------------------------------------------ 9 RCS0327-132 ACS/WFC ACCUM WFC1 F814W 1 600 S POS TARG 0, -4 6-CLUSTER-C see below ENTER ------------------------------------------------------------------------------------------------------------------------------------ 10 RCS0327-132 ACS/WFC ACCUM WFC1 F814W 1 600 S POS TARG 0.124, -3.916 6-CLUSTER-C see below ENTER ------------------------------------------------------------------------------------------------------------------------------------ 12371( 2) - 01-Oct-2010 22:37:02 - [ 4] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 RCS0327-132 ACS/WFC ACCUM WFC2 F814W 1 600 S POS TARG null, 4 6-CLUSTER-C see below ENTER ------------------------------------------------------------------------------------------------------------------------------------ 12 RCS0327-132 ACS/WFC ACCUM WFC2 F814W 1 600 S POS TARG 0.124, 4.084 6-CLUSTER-C see below ENTER ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ RCS0327-1326-ARC-CE 1 ACS/WFC ACCUM WFC2-ORA FR782N 7637 none none none none 1 519.0 S NTER MPQ RCS0327-1326-ARC-CE 2 ACS/WFC ACCUM WFC2-ORA FR782N 7637 none none none none 1 519.0 S NTER MPQ RCS0327-1326-ARC-CE 3 ACS/WFC ACCUM WFC2-ORA FR782N 7637 none none none none 1 519.0 S NTER MPQ RCS0327-1326-ARC-CE 4 ACS/WFC ACCUM WFC2-ORA FR782N 7637 none none none none 1 519.0 S NTER MPQ RCS0327-1326-ARC-CE 5 ACS/WFC ACCUM WFC2-ORA FR782N 7674 none none none none 2 564.0 S NTER MPQ RCS0327-1326-ARC-CE 6 ACS/WFC ACCUM WFC2-ORA FR782N 7674 none none none none 2 564.0 S NTER MPQ RCS0327-1326-ARC-CE 7 ACS/WFC ACCUM WFC2-ORA FR782N 7674 none none none none 2 564.0 S NTER MPQ RCS0327-1326-ARC-CE 8 ACS/WFC ACCUM WFC2-ORA FR782N 7674 none none none none 2 564.0 S NTER MPQ RCS0327-1326-CLUSTE 9 ACS/WFC ACCUM WFC1 F814W none none none none 3 540.0 S R-CENTER RCS0327-1326-CLUSTE 10 ACS/WFC ACCUM WFC1 F814W none none none none 3 540.0 S R-CENTER RCS0327-1326-CLUSTE 11 ACS/WFC ACCUM WFC2 F814W none none none none 3 540.0 S R-CENTER RCS0327-1326-CLUSTE 12 ACS/WFC ACCUM WFC2 F814W none none none none 3 540.0 S R-CENTER 12371( 2) - 01-Oct-2010 22:37:02 - [ 5] Summary Form for Proposal 12371 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures WFC1, WFC2, WFC2-ORAMPQ ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 210.0D TO 70.0 D, POS TARG 0, -4, POS TARG 0.124, -3.916, POS TARG 0.124, 4.084, POS TARG null, 4 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F814W, FR782N ------------------------------------------------------------------------------------------------------------------------------------ Target Names RCS0327-1326-ARC-CENTER, RCS0327-1326-CLUSTER-CENTER ------------------------------------------------------------------------------------------------------------------------------------