Status Report
From: Harvard-Smithsonian Center for Astrophysics
Posted: Friday, July 19, 2002
During the last week the observing schedule was interrupted following a high radiation event at 8:32am EDT on Jul 17 that stopped the daily load and activated the science instrument safing sequence (SCS 107). All actions were nominal and radiation levels dropped sufficiently to allow the loads to be restarted at 12.00pm on Jul 18. A total of 87Ks of observing time was impacted by the event and observations of NGC1600, PSS 0008+1923, HS 0017+2116 and Cas A will be rescheduled in a later load.
A real-time procedure was completed nominally on Jul 16 to uplink an update to the on-board gyro scale-factor and alignment matrix. Following the uplink, a series of test maneuvers run from the daily-load were monitored in real-time. The performance of the pointing system with updated values, matched model predictions extremely well.
The observing schedule for the next week is shown below and includes one constrained observation of IM Peg.
-------------------------------------------
Radiation Belts Jul 22
AX J1511.7+0758 ACIS-S
AQL X-1 ACIS-S
Lambda And HRC-S/LETG
HZ43 HRC-S/LETG Jul 23
HZ43 (2 obs) HRC-I/LETG
Lamdba And HRC-S/LETG
M87 ACIS-S Jul 24
1343-601 ACIS-S
H183611 ACIS-I
Radiation Belts
IM Peg ACIS-S/HETG Jul 25
WX Hyi ACIS-S/HETG
J2310-437 ACIS-S Jul 26
NGC6861 ACIS-I
DEM L 316 ACIS-S
Radiation Belts Jul 27
NGC 533 ACIS-S
WX Hyi ACIS-S/HETG Jul 28
-------------------------------------------
All spacecraft subsystems continued to operate nominally.
// end //
More status reports and news releases or top stories.
Please follow SpaceRef on Twitter and Like us on Facebook.
Calendar
Recent Articles
