10354( 3) - 04/27/05 10:54 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 10354 Version: 3 Check-in Date: 27-Apr-2005 14:54:02 1.Proposal Title: Probing the Link between Galactic Bars & Starburst/AGN Activity in NGC1672/NGC7771 ------------------------------------------------------------------------------------ 2. Proposal For 3. Cycle 4. Parallel Pointing Tolerance GO 13 ------------------------------------------------------------------------------------ 5. Investigators Contact? PI: Ms. Leigh Jenkins University of Leicester CoI: Dr. Martin J. Ward University of Leicester N CoI: Dr. Timothy Roberts University of Leicester N CoI: Mr. Andrew J. Levan University of Leicester N CoI: Dr. Andreas Zezas Smithsonian Institution Astrophysical N Observatory ------------------------------------------------------------------------------------ 6. Abstract Multi-wavelength data have shown that a substantial fraction of barred spiral galaxies exhibit enhanced star formation activity in their central regions. This phenomena is however poorly studied at X-ray energies. We propose joint Chandra/HST observations of two barred starburst galaxies NGC1672 and NGC7771. We request Chandra observations to spatially resolve the X-ray emission into point sources and diffuse emission, enabling us to trace the star formation on small spatial scales and search for obscured starburst/AGN activity. We also request a complimentary optical imaging program with HST/ACS, permitting us to identify the optical counterparts to X-ray point sources and map the optical emission from star formation in their local environments on similar scales to Chandra. ------------------------------------------------------------------------------------ 10354( 3) - 04/27/05 10:54 - [ 2] Observations Description ------------------------ We require a total of 4 orbits (one each in F435W, F550M, F814W, F658N) to provide deep optical and H-alpha imaging of NGC 1672. We will use a large dither (47% of the total WFC dimension) to map the entire bar region and locate regions of star formation and companions to luminous X-ray objects which will be located with Chandra. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 10354( 3) - 04/27/05 10:54 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-1672 GALAXY, SEYFERT RA=04H45M42.1000S +/- 0.1", J2000 V = 10.1 DEC=-59D14'56.00" +/- 0.1" Coordinate Source: HST_IMAGE Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. 10354( 3) - 04/27/05 10:54 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type ACS-WFC-MOSAIC-LINE LINE Pattern_Purpose MOSAIC DITHER Number_Of_Points 2 2 Point_Spacing 96.816 3.011 Line_Spacing Coordinate_Frame POS-TARG POS-TARG Pattern_Orient 90.0 85.28 Angle_Between_Sides Center_Pattern YES NO ------------------------------------------------------------------------------------------------------------------------------------ 10354( 3) - 04/27/05 10:54 - [ 5] Visit: 01 Visit Priority: Visit Requirements: ORIENT 210.0D TO 250.0 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-1672 ACS/WFC ACCUM WFC F435W CR-SPLIT=NO 1 1200 S PATTERN 1 1-4 see below ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1672 ACS/WFC ACCUM WFC F550M CR-SPLIT=NO 1 1200 S see below ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-1672 ACS/WFC ACCUM WFC F814W CR-SPLIT=NO 1 1200 S see below ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-1672 ACS/WFC ACCUM WFC F658N CR-SPLIT=NO 1 1200 S see below ------------------------------------------------------------------------------------------------------------------------------------ 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-1672 1 ACS/WFC ACCUM WFC F435W 1 1 none none 1 593.0 S NGC-1672 1 ACS/WFC ACCUM WFC F435W 1 2 none none 2 617.0 S NGC-1672 1 ACS/WFC ACCUM WFC F435W 2 1 none none 3 617.0 S NGC-1672 1 ACS/WFC ACCUM WFC F435W 2 2 none none 4 617.0 S NGC-1672 2 ACS/WFC ACCUM WFC F550M 1 1 none none 1 593.0 S NGC-1672 2 ACS/WFC ACCUM WFC F550M 1 2 none none 2 617.0 S NGC-1672 2 ACS/WFC ACCUM WFC F550M 2 1 none none 3 617.0 S NGC-1672 2 ACS/WFC ACCUM WFC F550M 2 2 none none 4 617.0 S NGC-1672 3 ACS/WFC ACCUM WFC F814W 1 1 none none 1 593.0 S NGC-1672 3 ACS/WFC ACCUM WFC F814W 1 2 none none 2 617.0 S NGC-1672 3 ACS/WFC ACCUM WFC F814W 2 1 none none 3 617.0 S NGC-1672 3 ACS/WFC ACCUM WFC F814W 2 2 none none 4 617.0 S NGC-1672 4 ACS/WFC ACCUM WFC F658N 1 1 none none 1 593.0 S NGC-1672 4 ACS/WFC ACCUM WFC F658N 1 2 none none 2 617.0 S NGC-1672 4 ACS/WFC ACCUM WFC F658N 2 1 none none 3 617.0 S NGC-1672 4 ACS/WFC ACCUM WFC F658N 2 2 none none 4 617.0 S 10354( 3) - 04/27/05 10:54 - [ 6] Summary Form for Proposal 10354 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures WFC ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category GO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 210.0D TO 250.0 D PATTERN 1 1-4 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F435W F550M F814W F658N ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC-1672 ------------------------------------------------------------------------------------------------------------------------------------