HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4666 PERIOD COVERED: 5am August 1 - 5am August 4, 2008 (DOY 214/0900z-217/0900z) 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 ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4665 PERIOD COVERED: 5am July 31 - 5am August 01, 2008 (DOY 213/0900z-214/0900z) 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 #4662   PERIOD COVERED: 5am July 28 - 5am July 29, 2008 (DOY 210/0900z-211/0900z)   OBSERVATIONS SCHEDULED   NIC1/NIC2 11172   Defining Classes of Long Period Variable Stars in M31   We propose a thrifty but information-packed investigation {1440 exposures total} with NICMOS F205W, F160W and F110W providing crucial information about Long Period Variables in M31, at a level of detail that has recently al ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT    #4660 PERIOD COVERED: 5am July 24 - 5am July 25, 2008 (DOY 206/0900z-207/0900z) 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 easy detection. Here we ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science   DAILY REPORT    #4659   PERIOD COVERED: 5am July 23 - 5am July 24, 2008 (DOY 205/0900z-206/0900z)   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 separation ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science   DAILY REPORT    #4658   PERIOD COVERED: 5am July 22 - 5am July 23, 2008 (DOY 204/0900z-205/0900z)   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 separation ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT    #4657 PERIOD COVERED: 5am July 21 - 5am July 22, 2008 (DOY 203/0900z-204/0900z) OBSERVATIONS SCHEDULED ACS/SBC 11131 Star Formation at Large Radii in Cooling Flow Brightest Cluster Galaxies We propose to take deep ACS FUV images of the bright central galaxies in two powerful cooling flow clusters for which we have VLT UBR images, with the object of determining whether the UV excesses we observe at large radii (> ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT    #4656 PERIOD COVERED: 5am July 18 - 5am July 21, 2008 (DOY 200/0900z-203/0900z) 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 of the SAA. The d ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT    #4655 PERIOD COVERED: 5am July 17 - 5am July 18, 2008 (DOY 199/0900z-200/0900z) 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 potential problems: t ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4654 PERIOD COVERED: 5am July 16 - 5am July 17, 2008 (DOY 198/0900z-199/0900z) 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 ...Continue Reading