HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4845 PERIOD COVERED: 5am April 30 - 5am May 01, 2009 (DOY        120/0900z-121/0900z) OBSERVATIONS SCHEDULED FGS 11944 Binaries at the Extremes of the H-R Diagram We propose to use HST/Fine Guidance Sensor 1r to survey for binaries among some of the most massive, least massive, and oldest stars in our part of the Galaxy. FGS allows us to spatially resolve binary systems that a ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4844 PERIOD COVERED: 5am April 29 - 5am April 30, 2009 (DOY 119/0900z-120/0900z) OBSERVATIONS SCHEDULED FGS 11788 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 provide s ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4843 PERIOD COVERED: 5am April 28 - 5am April 29, 2009 (DOY 118/0900z-119/0900z) OBSERVATIONS SCHEDULED FGS  11944 Binaries at the Extremes of the H-R Diagram We propose to use HST/Fine Guidance Sensor 1r to survey for binaries among some of the most massive, least massive, and oldest stars in our part of the Galaxy. FGS allows us to spatially resolve binary systems that are too faint for ground-based, ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4842 PERIOD COVERED: 5am April 27 - 5am April 28, 2009 (DOY 117/0900z-118/0900z) OBSERVATIONS SCHEDULED FGS 11788 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 provide s ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4841 PERIOD COVERED: 5am April 24 - 5am April 27, 2009 (DOY 114/0900z-117/0900z) OBSERVATIONS SCHEDULED WFPC2 11983 An Imaging Survey of Protoplanetary Disks and Brown Dwarfs in the Chamaeleon I Region We propose to carry out a HST/WFPC2 survey of young brown dwarfs, Class I and Class II sources in the Chamaelon I region, one of the best-studied star-forming regions, in order to investigate the link ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4840 PERIOD COVERED: 5am April 23 - 5am April 24, 2009 (DOY         113/0900z-114/0900z) OBSERVATIONS SCHEDULED FGS 11788 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 ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4839 PERIOD COVERED: 5am April 22 - 5am April 23, 2009 (DOY        112/0900z-113/0900z) OBSERVATIONS SCHEDULED WFPC2 11975 UV Light from Old Stellar Populations: a Census of UV Sources in Galactic Globular Clusters In spite of the fact that HST has been the only operative high-resolution eye in the UV-window over the last 18 years, no homogeneous UV survey of Galactic globular ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4838 PERIOD COVERED: 5am April 21 - 5am April 22, 2009 (DOY 111/0900z-112/0900z) OBSERVATIONS SCHEDULED WFPC2 11974 High-resolution Imaging for 9 Very Bright, Spectroscopically Confirmed, Group-scale Lenses There are large samples of strong lenses that probe small (galaxy) scale masses (e.g., SLACS, SQLS, COSMOS). There are also large samples of strong lenses that probe large (rich cluster) scale masses (e ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4837 PERIOD COVERED: 5am April 20 - 5am April 21, 2009 (DOY 110/0900z-111/0900z) OBSERVATIONS SCHEDULED ACS/SBC 11982 Spanning the Reionization History of IGM Helium: a Large and Efficient HST Spectral Survey of Far-UV-Bright Quasars The reionization of IGM helium is thought to have occurred at redshifts of z=3 to 4. Detailed studies of HeII Lyman-alpha absorption toward a handful of QSOs at 2.7<z<3. ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4836 PERIOD COVERED: 5am April 17 - 5am April 20, 2009 (DOY 107/0900z-110/0900z) OBSERVATIONS SCHEDULED WFPC2 11987 The Recent Star Formation History of SINGS Galaxies The Spitzer Legacy project SINGS provided a unique view of the current state of star formation and dust in a sample of galaxies of all Hubble types. This multi-wavelength view allowed the team to create current star formation diagnosti ...Continue Reading