The Hubble Space Telescope
Unlocking the Secrets of the Universe
Daily Report #5339
Period Covered:
07:00 pm February 24, 2011 - 06:59 pm February 25, 2011
(DOY 56/0000z - 56/2359z)
Flight Operations Summary
Significant Spacecraft Anomalies: (The following are preliminary reports
of potential non-nominal performance that will be investigated.)
HSTARs:
12721 - SCI: GSAcq(1,3,1) scheduled at 056/08:34:47, REAcq(1,3,1) scheduled at 056/10:10:02, at
11:45:53, at 13:25:29 and at 15:05:15 all results in Fine Lock Backup (1,0,1)@056/0841z
Observations Possible affected: ACS 73 -88, Proposal ID#12253.
COMPLETED OPS REQUEST:
none
COMPLETED OPS NOTES:
2129-1 - SCI: Modify COS FUV MAX HV operating limits (proposal12432@56/1842z
FGS ACQ STATUS:
		    SCHEDULED       SUCCESSFUL
FGS GSAcq		7		7
FGS REAcq		9		9
OBAD with Maneuver	7		7
SIGNIFICANT EVENTS:
none
  
    
      | Program | Principal Investigator | Program Title | 
    
      | Science Observations Scheduled | 
    
      | 12161 | David Ardila, Jet Propulsion Laboratory | Accretion in Close Pre-Main-Sequence Binaries | 
    
      | 12215 | Nancy Evans, Smithsonian Institution Astrophysical Observatory | Searching for the Missing Low-Mass Companions of Massive Stars | 
    
      | 12253 | Douglas Clowe, Ohio University | Gravity in the Crossfire: Revealing the Properties of Dark Matter in Bullet-like Clusters | 
    
      | 12261 | Herman Marshall, Massachusetts Institute of Technology | Resolving the Pictor A Jet | 
    
      | 12278 | Thomas Ayres, University of Colorado at Boulder | Advanced Spectral Library Project: Cool Stars | 
    
      | 12320 | Brian Chaboyer, Dartmouth College | The Ages of Globular Clusters and the Population II Distance Scale | 
    
      | Calibration Observations Scheduled | 
    
      | 12342 | Tiffany Borders, Space Telescope Science Institute | WFC3 UVIS CCD Daily Monitor | 
    
      | 12384 | David Golimowski, Space Telescope Science Institute | CCD Daily Monitor {Part 1} | 
    
      | 12392 | Ralph Bohlin, Space Telescope Science Institute | Photometric Cross-Calibration using Stellar Flux Standards | 
    
      | 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 |