The Hubble Space Telescope
Unlocking the Secrets of the Universe
Daily Report #5401
Period Covered:
08:00 pm April 27, 2011 - 07:59 pm April 28, 2011
(DOY 118/0000z - 118/2359z)
Flight Operations Summary
Significant Spacecraft Anomalies: (The following are preliminary reports
of potential non-nominal performance that will be investigated.)
HSTARs:
12825 - SCI: GSAcq(1,2,1) fails, FGS 1 Search Radius Limit exceeded@118/1146z
Observations affected: COS 108-114, proposal ID#11528, STIS 58-59, proposal ID#12415.
COMPLETED OPS REQUEST:
none
COMPLETED OPS NOTES:
none
FGS ACQ STATUS:
		    SCHEDULED       SUCCESSFUL
FGS GSAcq		9		8
FGS REAcq		4		4
OBAD with Maneuver	7		7
SIGNIFICANT EVENTS:
none
  
    
      | Program | Principal Investigator | Program Title | 
    
      | Science Observations Scheduled | 
    
      | 11528 | James Green, University of Colorado at Boulder | COS-GTO: Studies of the HeII Reionization Epoch | 
    
      | 12027 | James Green, University of Colorado at Boulder | COS-GTO: STAR FORMATION/LYMAN-ALPHA Part 2 | 
    
      | 12069 | Marc Postman, Space Telescope Science Institute | Through a Lens, Darkly - New Constraints on the Fundamental Components of the Cosmos | 
    
      | 12210 | Adam Bolton, University of Utah | SLACS for the Masses: Extending Strong Lensing to Lower Masses and Smaller Radii | 
    
      | 12249 | Wei Zheng, The Johns Hopkins University | Reionization of Intergalactic Helium at the Highest Redshifts | 
    
      | 12276 | Bart Wakker, University of Wisconsin - Madison | Mapping a nearby galaxy filament | 
    
      | Calibration Observations Scheduled | 
    
      | 11999 | Ralph Bohlin, Space Telescope Science Institute | JWST Calibration from a Consistent Absolute Calibration of Spitzer & Hubble | 
    
      | 12342 | Tiffany Borders, Space Telescope Science Institute | WFC3 UVIS CCD Daily Monitor | 
    
      | 12343 | Sylvia Baggett, Space Telescope Science Institute | UVIS Hot Pixel Anneal | 
    
      | 12344 | Tiffany Borders, Space Telescope Science Institute | Cycle 18: UVIS Bowtie Monitor | 
    
      | 12379 | Kai Noeske, Smithsonian Institution Astrophysical Observatory | UVIS CTE Monitor: Star Clusters | 
    
      | 12380 | Bryan Hilbert, Space Telescope Science Institute | Guard Darks | 
    
      | 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 | 
    
      | 12415 | Wei Zheng, The Johns Hopkins University | MAMA Dark Monitor |