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

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT       #4950 PERIOD COVERED: 5am October 13 - 5am October 14, 2009 (DOY 286/09:00z 287/09:00z) OBSERVATIONS SCHEDULED NIC1/NIC2/NIC3 11947 Extended Dark Monitoring This program takes a series of darks to obtain darks (including amplifier glow, dark current, and shading profiles) for all three cameras in the read-out sequences used in Cycle 17. A set of 12 orbits will be observed every two months for a t ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT      #4949 PERIOD COVERED: 5am October 9 - 5am October 13, 2009 (DOY 282/09:00z-286/09:00z) 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 o ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT       #4948 PERIOD COVERED: 5am October 8 - 5am October 9, 2009 (DOY 281/09:00z-282/09:00z) OBSERVATIONS SCHEDULED NIC 11408 NICMOS Focus and PAM Grid Tilt Tests The purpose of this proposal is determine the PAM settings corresponding to best focus for NIC1 and NIC2. A test will aslo be done on NIC3 in order to establish that the nominal PAM position of -9.5mm relative to mechanical zero results in an ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT       #4947 PERIOD COVERED: 5am October 7 - 5am October 8, 2009 (DOY 280/09:00z-281/09:00z) 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 calibrat ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT      #4946 PERIOD COVERED: 5am October 6 - 5am October 7, 2009 (DOY 279/09:00z-280/09:00z) OBSERVATIONS SCHEDULED COS/FUV 11592 Testing the Origin(s) of the Highly Ionized High-Velocity Clouds: A Survey of Galactic Halo Stars at z>3 kpc Cosmological simulation predicts that highly ionized gas plays an important role in the formation and evolution of galaxies and their interplay with the intergalactic med ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT      #4945 PERIOD COVERED: 5am October 5 - 5am October 6, 2009 (DOY 278/09:00z-279/09:00z) OBSERVATIONS SCHEDULED ACS/WFC 12043 Post-SM4 Bias Frames for ACS/WFC Subarrays Differences between the bias gradients in post-SM4 ACS/WFC full-frame and subarray images indicate that full-frame "superbias" calibration reference files cannot be used to process subarray images with CALACS. This program obtain ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT      #4944 PERIOD COVERED: 5am October 2 - 5am October 5, 2009 (DOY 275/09:00z-278/09:00z) 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 of ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to Collect World Class Science DAILY REPORT       #4943 PERIOD COVERED: 5am October 1 - 5am October 2, 2009 (DOY 274/09:00z-275/09:00z) OBSERVATIONS SCHEDULED ACS/WFC3 11882 CCD Hot Pixel Annealing All the data for this program is acquired using internal targets (lamps) only, so all of the exposures should be taken during Earth occultation time (but not during SAA passages). This program emulates the ACS pre-flight ground calibration and post la ...Continue Reading