The Hubble Space Telescope

Unlocking the Secrets of the Universe

Daily Report #5307

Period Covered:
07:00 pm January 23, 2011 - 06:59 pm January 24, 2011
(DOY 24/0000z - 24/2359z)

Flight Operations Summary

Significant Spacecraft Anomalies: (The following are preliminary reports
of potential non-nominal performance that will be investigated.)

HSTARs:
12614 - OBAD Failed Quaternion@024/0623z

12615 - SCI: GSAcq(2,1,1) failed due to search radius limit exceeded on FGS 2.@024/0431z

Observation affected: COS 1 - 10 Proposal ID#12424, STIS 5 Proposal ID#12404, ACS 1 - 4 Proposal
ID#12384, WFC3 3 Proposal ID#12342


12616 - SCI: GSAcq(2,1,1) failed due to SRLEX on FGS 2. The LTAIMAGE macro failed, but the image was
taken and is retained in memory.@024/0434z

COMPLETED OPS REQUEST:
none

COMPLETED OPS NOTES:
none

FGS ACQ STATUS:
SCHEDULED SUCCESSFUL
FGS GSAcq 7 6
FGS REAcq 7 7
OBAD with Maneuver 5 4

SIGNIFICANT EVENTS:
none


Program Principal Investigator Program Title
Science Observations Scheduled
11579 Alessandra Aloisi, Space Telescope Science Institute The Difference Between Neutral- and Ionized-Gas Metal Abundances in Local Star-Forming Galaxies with COS
12196 David Radburn-Smith, University of Washington Disk Truncations: Probing Galaxy Formation at the Limits
12210 Adam Bolton, University of Utah SLACS for the Masses: Extending Strong Lensing to Lower Masses and Smaller Radii
12360 Saul Perlmutter, University of California - Berkeley Cosmology From Cluster-Hosted and z>1 Supernovae Orphaned from the MCT Program
Calibration Observations Scheduled
12333 Sylvia Baggett, Space Telescope Science Institute UVIS Cycle 18 Photometric Monitor
12342 Tiffany Borders, Space Telescope Science Institute WFC3 UVIS CCD Daily Monitor
12349 Michael Dulude, Space Telescope Science Institute IR Dark Monitor
12384 David Golimowski, Space Telescope Science Institute CCD Daily Monitor {Part 1}
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
12404 Michael Wolfe, Space Telescope Science Institute STIS CCD Hot Pixel Annealing
12420 Wei Zheng, The Johns Hopkins University NUV Detector Dark Monitor
12424 Rachel Osten, Space Telescope Science Institute COS FUV Spectroscopic Sensitivity Monitoring