Earlier reports Convert Day of Year

The Hubble Space Telescope

Unlocking the Secrets of the Universe

Daily Report #5403

Period Covered:
08:00 pm April 29, 2011 - 07:59 pm April 30, 2011
(DOY 120/0000z - 120/2359z)

Flight Operations Summary

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