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Daily 3567
HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science
DAILY REPORT # 3567 PERIOD COVERED: DOY 70 OBSERVATIONS SCHEDULED ACS/HRC/WFC 10059 CCD Daily Monitor This program consists of basic tests to monitor, the read noise, the development of hot pixels and test for any source of noise in ACS CCD detectors. This programme will be executed once a day for the entire lifetime of ACS. ACS/HRC/WFC 9742 Natural Coronagraphic Imaging of KH 15D We propose to obtain V, H-alpha and [SII] images of the unique, eclipsing pre-main sequence star KH 15D near minimum light with the ACS/HRC. This solar-like star in NGC 2264, near the Cone Nebula, is fortuitously positioned with respect to our line of sight. Every 48.36 days its photosphere and accretion zone are progressively occulted and then revealed by an eclipsing body, which is evidently non-luminous, extended circumstellar matter in the star's vicinity. Dramatic spectral evolution is seen during these "natural cononagraphic" events that is revealing the structure of the accretion zone on spatial scales {~0.01 AU or less} that may not be achieved in other sources for decades to come, if ever. It is important to know whether this object is unique only in its orientation and not in its basic structure. Our observations will test the hypothesis that KH 15D at minimum light looks like nearly edge-on disk/jet systems around stars of similar mass and age in closer star forming regions such as Tau/Aur or MBM 12. We argue that the disk and jet will be resolved and will provide new constraints on this system. If not resolved, the data will at least constrain the scattering and jet emission zones to be remarkably close to the star {~10 AU}. In either case, we will have important new information on the nature of this unique object. ACS/WFC 9766 The Globular Cluster Systems of Spiral Galaxies along the Hubble Sequence While the globular cluster {GC} systems of ellipticals and ongoing mergers have been relatively well-studied with HST, very little is known about the GC systems of spirals besides the Milky Way and M31. To constrain GC/galaxy formation models, especially where spirals are the merger progenitors of ellipticals, it is crucial to understand their GC properties. We propose to obtain ACS images of three edge-on spirals, spanning the Hubble sequence, with Keck spectroscopic follow-up. This will effectively double the number of well-studied spiral systems. We will detect 100-200 GCs per galaxy, sufficient to reveal GC subpopulations, their relative numbers, radial trends, and dependences on Hubble type {e.g., a bulge vs. disk origin for red GCs}. For half of our GCs we will be able to measure individual sizes. By providing a much-needed comparative benchmark, these data will allow researchers to better exploit the large existing HST database of GCs in E/S0 galaxies. ACS/WFC/WFPC2 9822 The COSMOS 2-Degree ACS Survey We will undertake a 2 square degree imaging survey {Cosmic Evolution Survey -- COSMOS} with ACS in the I {F814W} band of the VIMOS equatorial field. This wide field survey is essential to understand the interplay between Large Scale Structure {LSS} evolution and the formation of galaxies, dark matter and AGNs and is the one region of parameter space completely unexplored at present by HST. The equatorial field was selected for its accessibility to all ground-based telescopes and low IR background and because it will eventually contain ~100, 000 galaxy spectra from the VLT-VIMOS instrument. The imaging will detect over 2 million objects with I 27 mag {AB, 10 sigma}, over 35, 000 Lyman Break Galaxies {LBGs} and extremely red galaxies out to z ~ 5. COSMOS is the only HST project specifically designed to probe the formation and evolution of structures ranging from galaxies up to Coma-size clusters in the epoch of peak galaxy, AGN, star and cluster formation {z ~0.5 to 3}. The size of the largest structures necessitate the 2 degree field. Our team is committed to the assembly of several public ancillary datasets including the optical spectra, deep XMM and VLA imaging, ground-based optical/IR imaging, UV imaging from GALEX and IR data from SIRTF. Combining the full-spectrum multiwavelength imaging and spectroscopic coverage with ACS sub-kpc resolution, COSMOS will be Hubble's ultimate legacy for understanding the evolution of both the visible and dark universe. NIC1/NIC2/NIC3 9993 Cycle 12 NICMOS dark current, shading profile, and read noise monitoring program The purpose of this proposal is to monitor the dark current, read noise, and shading profile for all three NICMOS detectors throughout the duration of Cycle 12. This proposal is an essentially unchanged continuation of PID 9636 which cover the duration of Cycle 11. NIC3 9999 The COSMOS 2-Degree ACS Survey NICMOS Parallels The COSMOS 2-Degree ACS Survey NICMOS Parallels. This program is a companion to program 9822. NICMOS 8791 NICMOS Post-SAA calibration - CR Persistence Part 2 A new procedure proposed to alleviate the CR-persistence problem of NICMOS. Dark frames will be obtained immediately upon exiting the SAA contour 23, and every time a NICMOS exposure is scheduled within 50 minutes of coming out of the SAA. The darks will be obtained in parallel in all three NICMOS Cameras. The POST-SAA darks will be non-standard reference files available to users with a USEAFTER date/time mark. The keyword 'USEAFTER=date/time' will also be added to the header of each POST-SAA DARK frame. The keyword must be populated with the time, in addition to the date, because HST crosses the SAA ~8 times per day so each POST-SAA DARK will need to have the appropriate time specified, for users to identify the ones they need. Both the raw and processed images will be archived as POST-SAA DARKSs. Generally we expect that all NICMOS science/calibration observations started within 50 minutes of leaving an SAA will need such maps to remove the CR persistence from the science images. Each observation will need its own CRMAP, as different SAA passages leave different imprints on the NICMOS detectors. STIS/CCD 10017 CCD Dark Monitor-Part 1 Monitor the darks for the STIS CCD. STIS/CCD 10019 CCD Bias Monitor - Part 1 Monitor the bias in the 1x1, 1x2, 2x1, and 2x2 bin settings at gain=1, and 1x1 at gain = 4, to build up high-S/N superbiases and track the evolution of hot columns. STIS/CCD 10085 STIS Pure Parallel Imaging Program: Cycle 12 This is the default archival pure parallel program for STIS during cycle 12. WFPC2 10070 WFPC2 CYCLE 12 Supplemental Darks Part 2/3 This dark calibration program obtains 3 dark frames every day to provide data for monitoring and characterizing the evolution of hot pixels. WFPC2 10084 WFII parallel archive proposal This is the generic target version of the WFPC2 Archival Pure Parallel program. The program will be used to take parallel images of random areas of the sky, following the recommendations of the 2002 Parallels Working Group. FLIGHT OPERATIONS SUMMARY: Significant Spacecraft Anomalies: (The following are preliminary reports of potential non-nominal performance that will be investigated.) None OPEN OPS REQs: None COMPLETED OPS REQs: None SCHEDULED SUCCESSFUL FAILURE TIMES FGS GSacq 11 11 FGS REacq 09 09 FHST Update 16 16 LOSS of LOCK SIGNIFICANT EVENTS: CCS Release 5.0.3.1 Issue Re-test scheduled 071/12:00Z - 21:00Z with GDOC, SOC, and HITT using CCS "D" String with CCS Release 5.0.3.1 and PRD O06300ST. The purpose of this testing is to re-test CCS Release 5.0.3.1 issues. |
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