| Earlier reports | Convert Day of Year |
Daily Report #5403
Period Covered:
08:00 pm April 29, 2011 - 07:59 pm April 30, 2011
(DOY 120/0000z - 120/2359z)
Significant Spacecraft Anomalies: (The following are preliminary reports of potential non-nominal performance that will be investigated.) HSTARs: 12832 - SCI: GSacq(1,2,1) failed due to Search Radius Limit Exceeded.@119/1759z COMPLETED OPS REQUEST: none COMPLETED OPS NOTES: none FGS ACQ STATUS: SCHEDULED SUCCESSFUL FGS GSAcq 13 13 FGS REAcq 6 6 OBAD with Maneuver 9 9 SIGNIFICANT EVENTS: none
| Program | Principal Investigator | Program Title |
|---|---|---|
| Science Observations Scheduled | ||
| 12169 | Boris Gaensicke, The University of Warwick | The frequency and chemical composition of planetary debris discs around young white dwarfs |
| 12178 | Scott Anderson, University of Washington | Spanning the Reionization History of IGM Helium: a Highly Efficient Spectral Survey of the Far-UV-Brightest Quasars |
| 12262 | Justyn Maund, University of Copenhagen, Niels Bohr Institute | Stellar Forensics II: A post-explosion view of the progenitors of core-collapse supernovae |
| 12298 | Richard Ellis, California Institute of Technology | Towards a Physical Understanding of the Diversity of Type Ia Supernovae |
| 12315 | Hans Guenther, Smithsonian Institution Astrophysical Observatory | Winds, accretion and activity: Deciphering the FUV lines in TW Hya |
| 12446 | Michael Shara, American Museum of Natural History | Ionization and Light Echoes in the T Pyxidis Nebula |
| Calibration Observations Scheduled | ||
| 11932 | Larry Petro, Space Telescope Science Institute | IR Stray Light |
| 12342 | Tiffany Borders, Space Telescope Science Institute | WFC3 UVIS CCD Daily Monitor |
| 12347 | Vera Kozhurina-Platais, Space Telescope Science Institute | WFC3/UVIS internal CTE monitor |
| 12353 | Vera Kozhurina-Platais, Space Telescope Science Institute | UVIS and IR Geometric Distortion Corrections |
| 12400 | Michael Wolfe, Space Telescope Science Institute | Dark Monitor Part 1 |
| 12402 | Michael Wolfe, Space Telescope Science Institute | CCD Bias and Read Noise Monitor-Part 1 |