HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4687 PERIOD COVERED: 5am September 2 - 5am September 3, 2008 (DOY 246/0900z-247/0900z) 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 f ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4686 PERIOD COVERED: 5am August 29 - 5am September 2, 2008 (DOY 242/0900z-246/0900z) OBSERVATIONS SCHEDULED NIC1/NIC2/NIC3 11820 NICMOS Post-SAA Calibration - CR Persistence Part 7 Internals for CR persistence WFPC2 11797 Supplemental WFPC2 CYCLE 16 Intflat Linearity Check and Filter Rotation Anomaly Monitor Supplemental observations to 11029, to cover period from Aug 08 to SM4. Intflat observations w ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4685 PERIOD COVERED: 5am August 28 - 5am August 29, 2008 (DOY 241/0900z-242/0900z) OBSERVATIONS SCHEDULED FGS 11210 The Architecture of Exoplanetary Systems Are all planetary systems coplanar? Concordance cosmogony makes that prediction. It is, however, a prediction of extrasolar planetary system architecture as yet untested by direct observation for main sequence stars other than the Sun. To pr ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4681 PERIOD COVERED: 5am August 22 - 5am August 25, 2008 (DOY 235/0900z-238/0900z) OBSERVATIONS SCHEDULED SIGNIFICANT EVENTS: (None) NIC1/NIC2/NIC3 8795 NICMOS Post-SAA Calibration - CR Persistence Part 6 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 wit ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4678 PERIOD COVERED: 5am August 19 - 5am August 20, 2008 (DOY 232/0900z-233/0900z) OBSERVATIONS SCHEDULED NIC1 11205 The Effects of Multiplicity on the Evolution of Young Stellar Objects: A NICMOS Imaging Study We propose to use NICMOS to investigate the multiplicity of young stellar objects (YSOs) in the Orion B molecular cloud. Previous observations with the Spitzer Space Telescope have reveal ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4677 PERIOD COVERED: 5am August 18 - 5am August 19, 2008 (DOY 231/0900z-232/0900z) 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      #4676 PERIOD COVERED: 5am August 15 - 5am August 18, 2008 (DOY 228/0900z-231/0900z) OBSERVATIONS SCHEDULED NIC1/NIC2/NIC3 8795 NICMOS Post-SAA Calibration - CR Persistence Part 6 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 ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4675 PERIOD COVERED: 5am August 14 - 5am August 15, 2008 (DOY 227/0900z-228/0900z) 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       #4674 PERIOD COVERED: 5am August 13 - 5am August 14, 2008 (DOY 226/0900z-227/0900z) OBSERVATIONS SCHEDULED NIC1/NIC2/NIC3 11330 NICMOS Cycle 16 Extended Dark This takes a series of Darks in parallel to other instruments. NIC1/NIC2/NIC3 8795 NICMOS Post-SAA Calibration - CR Persistence Part 6 A new procedure proposed to alleviate the CR-persistence problem of NICMOS. Dark frames will be obtained ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4673 PERIOD COVERED: 5am August 12 - 5am August 13, 2008 (DOY 225/0900z-226/0900z) OBSERVATIONS SCHEDULED ACS/SBC 11151 Evaluating the Role of Photoevaporation of Protoplanetary Disk Dispersal Emission produced by accretion onto the central star leads to photoevaporation, which may play a fundamental role in disk dispersal. Models of disk photoevaporation by the central star are challenged by two poten ...Continue Reading