HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4702 PERIOD COVERED: 5am September 23 - 5am September 24, 2008 (DOY 267/0900z-268/0900z) OBSERVATIONS SCHEDULED ACS/SBC 10872 Lyman Continuum Emission in Galaxies at z=1.2 Lyman continuum photons produced in massive starbursts may have played a dominant role in the reionization of the Universe. Starbursts are important contributors to the ionizing metagalactic background at lower redshifts as well. Ho ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4699 PERIOD COVERED: 5am September 18 - 5am September 19, 2008 (DOY 262/0900z 263/0900z) OBSERVATIONS SCHEDULED ACS/SBC WFPC2 11175 UV Imaging to Determine the Location of Residual Star Formation in Galaxies Recently Arrived on the Red Sequence We have identified a sample of low-redshift {z = 0.04 - 0.10} galaxies that are candidates for recent arrival on the red sequence. They have red optical colors ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4698 PERIOD COVERED: 5am September 17 - 5am September 18, 2008 (DOY 261/0900z-262/0900z) OBSERVATIONS SCHEDULED ACS/SBC 11175 UV Imaging to Determine the Location of Residual Star Formation in Galaxies Recently Arrived on the Red Sequence We have identified a sample of low-redshift {z = 0.04 - 0.10} galaxies that are candidates for recent arrival on the red sequence. They have red optical colors ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science   DAILY REPORT      #4697   PERIOD COVERED: 5am September 16 - 5am September 17, 2008 (DOY 260/0900z-261/0900z)   OBSERVATIONS SCHEDULED   ACS/SBC 11158   HST Imaging of UV Emission in Quiescent Early-type Galaxies   We have constructed a sample of early type galaxies at z~0.1 that have blue UV-optical colors, yet also show no signs of optical emission, or extended blue light. We have cross-co ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4696 PERIOD COVERED: 5am September 15 - 5am September 16, 2008 (DOY 259/0900z-260/0900z) OBSERVATIONS SCHEDULED ACS/SBC 11158 HST Imaging of UV Emission in Quiescent Early-type Galaxies We have constructed a sample of early type galaxies at z~0.1 that have blue UV-optical colors, yet also show no signs of optical emission, or extended blue light. We have cross-correlated the SDSS catalog and the Galax ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4693 PERIOD COVERED: 5am September 10 - 5am September 11, 2008 (DOY 254/0900z-255/0900z) OBSERVATIONS SCHEDULED FGS 11212 Filling the Period Gap for Massive Binaries The current census of binaries among the massive O-type stars is seriously incomplete for systems in the period range from years to millennia because the radial velocity variations are too small and the angular separations too close for e ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4692 PERIOD COVERED: 5am September 9 - 5am September 10, 2008 (DOY 253/0900z-254/0900z) OBSERVATIONS SCHEDULED NIC1/NIC2/NIC3 11820 NICMOS Post-SAA Calibration - CR Persistence Part 7 Internals for CR persistence NIC2 11548 NICMOS Imaging of Protostars in the Orion A Cloud: The Role of Environment in Star Formation We propose NICMOS observations of a sample of 252 protostars identified in the Orion A ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4691 PERIOD COVERED: 5am September 8 - 5am September 9, 2008 (DOY 252/0900z-253/0900z) OBSERVATIONS SCHEDULED NIC1/NIC2 11818 NICMOS Confirmation of an Extrasolar Panet Candidate Directly Detected with ACS With ACS/HRC coronagraphy, we have achieved the direct detection of a planet candidate in F606W and F814W around a bright nearby star with a debris belt. The planet candidate lies 18 astronomi ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4690 PERIOD COVERED: 5am September 5 - 5am September 8, 2008 (DOY 249/0900z-252/0900z) OBSERVATIONS SCHEDULED NIC2 11826 NICMOS Pre-/post-SM4 Photometry Test This proposal contains the necessary exposures to re-calibrate NICMOS. We will observe all filters that are not part of the standard monitoring program with a standard 4-point (NIC1 & NIC2) and 7-point (NIC3) dither pattern. NIC1/NIC2/N ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4689 PERIOD COVERED: 5am September 4 - 5am September 5, 2008 (DOY 248/0900z-249/0900z) OBSERVATIONS SCHEDULED FGS 11212 Filling the Period Gap for Massive Binaries The current census of binaries among the massive O-type stars is seriously incomplete for systems in the period range from years to millennia because the radial velocity variations are too small and the angular separations too close for eas ...Continue Reading