HST Status Mar 14, 2011

[Dr. Paul Scowen]

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The Hubble Space Telescope

Unlocking the Secrets of the Universe

Daily Report #5356

Period Covered:
08:00 pm March 13, 2011 - 07:59 pm March 14, 2011
(DOY 73/0000z - 73/2359z)

Flight Operations Summary

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

HSTARs:
12776 - SCI: REACQ(2,1,1) fails to RGA control, FGS 2 Search Radius Limit exceeded @072/0238z
Observations affected: WFC3 2-4, proposals ID#12167, 12342, 12344.


12777 - SCI: GSAcq(2,1,1) failed to acquire lock. @073/0525z
Observations affected: WFC3 5, proposal ID#12342, COS 2-11, proposal ID#12424.


12778 - SCI: COS 1046 STB message@073/0436z

12779 - SCI: GSAcq(1,2,1) made four attempts to acquire fine lock, eventually failing to gyro
control@073/0616z
Observations affected: STIS 6-9, proposal ID#12411, ACS 7-8, proposal ID#12397, WFC3 6-7, proposal 
ID#12349.


COMPLETED OPS REQUEST:
none

COMPLETED OPS NOTES:
none

FGS ACQ STATUS:
		    SCHEDULED       SUCCESSFUL
FGS GSAcq		9		7
FGS REAcq		5		4
OBAD with Maneuver	9		9

SIGNIFICANT EVENTS:
none

Program	Principal Investigator	Program Title
Science Observations Scheduled
12167	Marijn Franx, Universiteit Leiden	Resolving the Matter of Massive Quiescent Galaxies at z=1.5-2
12178	Scott Anderson, University of Washington	Spanning the Reionization History of IGM Helium: a Highly Efficient Spectral Survey of the Far-UV-Brightest Quasars
12241	Robert Kirshner, Harvard University	SAINTS - The SN 1987A Intensive Study
12292	Tommaso Treu, University of California - Santa Barbara	SWELLS: doubling the number of disk-dominated edge-on spiral lens galaxies
12310	Goeran Oestlin, Stockholm University	LARS - The Lyman Alpha Reference Sample
12330	J. Kirkpatrick, California Institute of Technology	Spitzer Verification of the Coldest WISE?selected Brown Dwarfs
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
12349	Michael Dulude, Space Telescope Science Institute	IR Dark Monitor
12397	David Golimowski, Space Telescope Science Institute	CCD Daily Monitor {Part 2}
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
12411	Rachel Osten, Space Telescope Science Institute	STIS/CCD Spectroscopic Sensitivity Monitor for Cycle 18
12414	Rachel Osten, Space Telescope Science Institute	MAMA Spectroscopic Sensitivity and Focus Monitor Cycle 18
12415	Wei Zheng, The Johns Hopkins University	MAMA Dark Monitor
12423	Wei Zheng, The Johns Hopkins University	FUV Detector Dark Monitor
12424	Rachel Osten, Space Telescope Science Institute	COS FUV Spectroscopic Sensitivity Monitoring