The Hubble Space Telescope
Unlocking the Secrets of the Universe

Daily Report #5341

Period Covered:
07:00 pm February 26, 2011 - 06:59 pm February 27, 2011
(DOY 58/0000z - 58/2359z)
Flight Operations Summary

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

HSTARs:
none

COMPLETED OPS REQUEST:
none

COMPLETED OPS NOTES:
none

FGS ACQ STATUS:
SCHEDULED SUCCESSFUL
FGS GSAcq 9 9
FGS REAcq 5 5
OBAD with Maneuver 6 6

SIGNIFICANT EVENTS:
none



Program Principal Investigator Program Title
Science Observations Scheduled
11660 Francesca Bacciotti, Osservatorio Astrofisico di Arcetri Investigation Jet Rotation in Young Stars via High Resolution UV Spectra
12023 James Green, University of Colorado at Boulder COS-GTO: Cold ISM
12061 Sandra Faber, University of California - Santa Cruz Cosmic Assembly Near-IR Deep Extragalactic Legacy Survey -- GOODS-South Field, Early Visits of SNe Search
12068 Marc Postman, Space Telescope Science Institute Through a Lens, Darkly - New Constraints on the Fundamental Components of the Cosmos
12161 David Ardila, Jet Propulsion Laboratory Accretion in Close Pre-Main-Sequence Binaries
12302 Edward Guinan, Villanova University Probing the Atmospheres of Cepheids with HST-COS: Pulsation Dependences, Plasma Dynamics and Heating Mechanisms
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
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