The Hubble Space Telescope
Unlocking the Secrets of the Universe
Daily Report #5338
Period Covered:
07:00 pm February 23, 2011 - 06:59 pm February 24, 2011
(DOY 55/0000z - 55/2359z)
Flight Operations Summary
Significant Spacecraft Anomalies: (The following are preliminary reports
of potential non-nominal performance that will be investigated.)
HSTARs:
12720 - SCI: GSAcq(1,2,1) fails to RGA control, FGS 1 and FGS 2 Search Radius Limit exceeded.
REAcq(1,2,1) at 21:35:32 and 23:11:23 were successful.@055/2051z
Observations affected: STIS 57-58, proposal ID#12278, ACS 63 to 64, WFC3 71 to 72, proposal 
ID#12286.
COMPLETED OPS REQUEST:
none
COMPLETED OPS NOTES:
none
FGS ACQ STATUS:
		    SCHEDULED       SUCCESSFUL
FGS GSAcq		4		3
FGS REAcq		12		12
OBAD with Maneuver	3		3
SIGNIFICANT EVENTS:
none
  
    
      | Program | Principal Investigator | Program Title | 
    
      | Science Observations Scheduled | 
    
      | 12023 | James Green, University of Colorado at Boulder | COS-GTO: Cold ISM | 
    
      | 12214 | Sara Ellison, University of Victoria | Low redshift damped Lyman alpha systems selected by 21cm absorption: A new route to high efficiency? | 
    
      | 12253 | Douglas Clowe, Ohio University | Gravity in the Crossfire: Revealing the Properties of Dark Matter in Bullet-like Clusters | 
    
      | 12278 | Thomas Ayres, University of Colorado at Boulder | Advanced Spectral Library Project: Cool Stars | 
    
      | 12286 | Hao-Jing Yan, The Ohio State University | Hubble Infrared Pure Parallel Imaging Extragalactic Survey {HIPPIES} | 
    
      | Calibration Observations Scheduled | 
    
      | 12342 | Tiffany Borders, Space Telescope Science Institute | WFC3 UVIS CCD Daily Monitor | 
    
      | 12344 | Tiffany Borders, Space Telescope Science Institute | Cycle 18: UVIS Bowtie Monitor | 
    
      | 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 |