HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT    # 4298 PERIOD COVERED: UT February 12, 2007 (DOY 043) OBSERVATIONS SCHEDULED NIC2 10798 Dark Halos and Substructure from Arcs & Einstein Rings The surface brightness distribution of extended gravitationally lensed arcs and Einstein rings contains super-resolved information about the lensed object, and, more excitingly, about the smooth and clumpy mass distribution of the lens galaxies. The source and lens infor ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT # 4297 PERIOD COVERED: UT February 09,10,11, 2007 (DOY 040,41,42) OBSERVATIONS SCHEDULED NIC1/NIC2/NIC3 8795 NICMOS Post-SAA calibration - CR Persistence Part 6 A new proceedure proposed to alleviate the CR-persistence problem of NICMOS. Dark frames will be obtained immediately upon exiting the SAA contour 23, and everytime a NICMOS exposure is scheduled within 50 minutes of coming out of the SAA. The darks will be obtained in ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT        # 4296 PERIOD COVERED: UT February 08, 2007 (DOY 039) OBSERVATIONS SCHEDULED NIC2 10858 NICMOS Imaging of the z ~ 2 Spitzer Spectroscopic Sample of Ultraluminous Infrared Galaxies We propose to obtain NICMOS images of the first large sample of high-z ultra-luminous infrared galaxies {ULIRGs} whose redshifts and physical states have been determined with Spitzer mid-IR spectra. The detection of strong ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT # 4295 PERIOD COVERED: UT February 07, 2007 (DOY 038) OBSERVATIONS SCHEDULED NIC2 10858 NICMOS Imaging of the z ~ 2 Spitzer Spectroscopic Sample of Ultraluminous Infrared Galaxies We propose to obtain NICMOS images of the first large sample of high-z ultra-luminous infrared galaxies {ULIRGs} whose redshifts and physical states have been determined with Spitzer mid-IR spectra. The detection of strong silicate absorption and/or P ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT # 4294 PERIOD COVERED: UT February 06, 2007 (DOY 037) OBSERVATIONS SCHEDULED WFPC2 10860 The largest Kuiper belt object The past year has seen an explosion in the discoveries of Pluto-sized objects in the Kuiper belt. With the discoveries of the methane-covered 2003 UB313 and 2005 FY9, the multiple satellite system of 2003 EL61, and the Pluto-Charon analog system of Orcus and its satellite, it is finally apparent that Pluto is ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT # 4293 PERIOD COVERED: UT February 05, 2007 (DOY 036) OBSERVATIONS SCHEDULED NIC2 10858 NICMOS Imaging of the z ~ 2 Spitzer Spectroscopic Sample of Ultraluminous Infrared Galaxies We propose to obtain NICMOS images of the first large sample of high-z ultra-luminous infrared galaxies {ULIRGs} whose redshifts and physical states have been determined with Spitzer mid-IR spectra. The detection of strong silicate absorption and/or P ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT # 4292 PERIOD COVERED: UT February 02,03,04, 2007 (DOY 033,034,035) OBSERVATIONS SCHEDULED WFPC2 11025 WFPC2 Cycle 15 CTE Monitor Monitor CTE changes during Cycle 15. Test for chip-to-chip differences in CTE. FGS 10927 The Weight-Watcher Program for Subdwarfs We propose to use HST/FGS1r to measure five subdwarf spectroscopic binaries to determine masses for the components. Their metallicities, [Fe/H], range from -0.5 to -2.5 ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT # 4291 PERIOD COVERED: UT February 01, 2007 (DOY 032) OBSERVATIONS SCHEDULED WFPC2 11025 WFPC2 Cycle 15 CTE Monitor Monitor CTE changes during Cycle 15. Test for chip-to-chip differences in CTE. FLIGHT OPERATIONS SUMMARY: Significant Spacecraft Anomalies: (The following are preliminary reports of potential non-nominal performance that will be investigated.) HSTARS: 10666 - MNCIINPR(NCS Circulator Inlet Pressure) Limit Violati ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT # 4290 PERIOD COVERED: UT January 31, 2007 (DOY 031) NO OBSERVATIONS SCHEDULED FLIGHT OPERATIONS SUMMARY: Significant Spacecraft Anomalies: (The following are preliminary reports of potential non-nominal performance that will be investigated.) HSTARS: (None) COMPLETED OPS REQUEST: (None) COMPLETED OPS NOTES: (None) SIGNIFICANT EVENTS: The NICMOS Cryo-Cooler reached its control-point just before 5 am EST on January 31. The de ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT # 4289 PERIOD COVERED: UT January 30, 2007 (DOY 030) OBSERVATIONS SCHEDULED WFPC2 10822 CIII] Imagery of Planetary Nebulae We propose to image five planetary nebulae {PNe} with the F185W filter of WFPC2 in order to study the spatial distribution of the ultraviolet C III] 1909 Angstrom line relative to [O III] 5007 Angstrom and other optical lines. This program follows a Cycle 12 SNAP program {GO 9740} of WFPC2 F185W imaging of ...Continue Reading