HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4704 PERIOD COVERED: 5am September 25 - 5am September 26, 2008 (DOY 269/0900z-270/0900z) OBSERVATIONS SCHEDULED FGS 11213 Distances to Eclipsing M Dwarf Binaries We propose HST FGS observations to measure accurate distances of 5 nearby M dwarf eclipsing binary systems, from which model-independent luminosities can be calculated. These objects have either poor or no existing parallax measurements ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4703 PERIOD COVERED: 5am September 24 - 5am September 25, 2008 (DOY 268/0900z-269/0900z) OBSERVATIONS SCHEDULED FGS 11211 An Astrometric Calibration of Population II Distance Indicators In 2002 HST produced a highly precise parallax for RR Lyrae. That measurement resulted in an absolute magnitude, M{V}= 0.61+/-0.11, a useful result, judged by the over ten refereed citations each year since. It is, how ...Continue Reading

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