HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT      #4960 PERIOD COVERED: 5am October 27 - 5am October 28, 2009 (DOY 300/09:00z-301/09:00z) OBSERVATIONS SCHEDULED ACS/WFC 11689 Direct Observations of Dark Matter from a Second Bullet: The Spectacular Abell 2744 Vigorous cluster mergers provide a unique opportunity to directly "see" dark matter and to probe its properties through the analysis of the segregation of the baryonic and non-baryonic c ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT      #4959 PERIOD COVERED: 5am October 26 - 5am October 27, 2009 (DOY 299/09:00z-300/09:00z) OBSERVATIONS SCHEDULED ACS/WFC3 11879 CCD Daily Monitor (Part 1) This program comprises basic tests for measuring the read noise and dark current of the ACS WFC and for tracking the growth of hot pixels. The recorded frames are used to create bias and dark reference images for science data reduction and calibration. ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT      #4958 PERIOD COVERED: 5am October 23 - 5am October 26, 2009 (DOY 296/09:00z-299/09:00z) OBSERVATIONS SCHEDULED WFC3/IR/S/C 11929 IR Dark Current Monitor Analyses of ground test data showed that dark current signals are more reliably removed from science data using darks taken with the same exposure sequences as the science data, than with a single dark current image scaled by desired exposure time. The ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT       #4957 PERIOD COVERED: 5am October 22 - 5am October 23, 2009 (DOY295/09:00z-296/09:00z) 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 ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT      #4956 PERIOD COVERED: 5am October 21 - 5am October 22, 2009 (DOY294/09:00z-295/09:00z) OBSERVATIONS SCHEDULED ACS/WFC3 11879 CCD Daily Monitor (Part 1) This program comprises basic tests for measuring the read noise and dark current of the ACS WFC and for tracking the growth of hot pixels. The recorded frames are used to create bias and dark reference images for science data reduction and calibration. ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT      #4955 PERIOD COVERED: 5am October 20 - 5am October 21, 2009 (DOY293/09:00z-294/09:00z) OBSERVATIONS SCHEDULED FGS 11785 Trigonometric Calibration of the Distance Scale for Classical Novae The distance scale for classical novae is important for understanding the stellar physics of their thermonuclear runaways, their contribution to Galactic nucleosynthesis, and their use as extragalactic standard candle ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT       #4954 PERIOD COVERED: 5am October 19 - 5am October 20, 2009 (DOY292/09:00z-293/09:00z) OBSERVATIONS SCHEDULED ACS/WFC3 11879 CCD Daily Monitor (Part 1) This program comprises basic tests for measuring the read noise and dark current of the ACS WFC and for tracking the growth of hot pixels. The recorded frames are used to create bias and dark reference images for science data reduction and calibra ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT      #4953 PERIOD COVERED: 5am October 16 - 5am October 19, 2009 (DOY 289/09:00z-292/09:00z) OBSERVATIONS SCHEDULED NIC1/NIC2/NIC3 8795 NICMOS Post-SAA Calibration - CR Persistence Part 6 This is 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 ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT      #4952 PERIOD COVERED: 5am October 15 - 5am October 16, 2009 (DOY 288/09:00z-289/09:00z) OBSERVATIONS SCHEDULED ACS/WFC 11840 Identifying the Host Galaxies for Optically Dark Gamma-ray Bursts We propose to use the high spatial resolution of Chandra to obtain precise positions for a sample of Gamma-Ray Bursts (GRBs) with no optical afterglows, where the optical light is suppressed relative to the X-ray f ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT      #4951 PERIOD COVERED: 5am October 14 - 5am October 15, 2009 (DOY 287/09:00z-288/09:00z) OBSERVATIONS SCHEDULED ACS/WFC3 11879 CCD Daily Monitor (Part 1) This program comprises basic tests for measuring the read noise and dark current of the ACS WFC and for tracking the growth of hot pixels. The recorded frames are used to create bias and dark reference images for science data reduction and calibration. ...Continue Reading