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Operations CXO Status Report
Monday 6/5/00 10:00am EDT
During the last week, Chandra completed the observing schedule as planned.
A routine real-time procedure was completed on 5/29 to dump the CPE
warm start counter and showed no change in value (1).
A momentum auto-unloading event was performed by Chandra for the first
time on 6/1/00 at 1:19pm EDT. Momentum unloading is normally predicted
and performed via stored commands from the daily load, so the
auto-unload was unexpected. The unloading was near perigee where a
gravity gradient torque larger than predicted is suspected. The
auto-unloading proceeded nominally.
The planned observations for the coming week are as follows.
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PSR B0540-69 HRC-I/-S/ACIS-S Jun 5
B1138-262 ACIS-S
CB 58 ACIS-S Jun 6
V1494AQL ACIS-I
Vega ACIS-S/HRC-I/-S Jun 7
Radiation Belts
AX J1025+4714 ACIS-I
Cen Cluster ACIS-S
Cir X-1 ACIS-S/HETG Jun 8
MCG-6-30-15 ACIS-S/HETG
X0918-54 ACIS-S/HETG
RXTE J1550-564 (TOO) ACIS-S/HETG Jun 9
4U 1735-44 ACIS-S/HETG
1746-331 ACIS-S
1711-339 ACIS-S
Radiation Belts
HD 113703 ACIS-S Jun 10
HD 129791 ACIS-S
HE 1104-1805 ACIS-S
MS 1008.1-1224 ACIS-I Jun 11
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All spacecraft subsystems continued to operate nominally.
Return to 2000 Status Reports
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