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Operations CXO Status Report
Monday 5/29/00 10:00am EDT
During the last week, Chandra completed the observing schedule as
planned with the exception of a 2 Ks HETG observation of the TOO XTE
J1550-564 on 5/22 which was was made without the HETG inserted. The
reason was traced to a ground system file update process which has
been addressed.
The fourth ACIS squeegee mode test was conducted as planned at 5.30pm
EDT on 5/22. The test was aimed at removal of a bias instability seen in the previous squeegee mode tests, and initial assessment of the
results indicate that the on-orbit data are consistent with laboratory
results in removing the instability - i.e., a successful
test. Planning is underway for the next series of tests aimed at
optimizing the squeegee mode parameters, with certain tests being
performed from the daily load.
The planned observations for the coming week are as follows.
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PG 1254+047 ACIS-S May 28
MRK 421 ACIS-S/HETG May 29
MRK 421 ACIS-S/LETG
PSR J0437-4715 ACIS-S
TOO J1550-564 (decay) ACIS-S/HETG May 30
Radiation Belts
1736-297 ACIS-S
PKS 2155-304 ACIS-S/LETG
PKS 2155-304 HRC-S/LETG May 31
PKS 2155-304 ACIS-S/HETG
M31 Transient ACIS-S
NGC 7027 ACIS-S
3C 351 ACIS-S Jun 1
AX J1510+0742 ACIS-I
Q1422+231 ACIS-S
TOO J1550-564 (decay) ACIS-S/HETG
Radiation Belts
NGC 5506 ACIS-S Jun 2
PG 1115+080 ACIS-S
AXAF Southern Deep Fld ACIS-I Jun 2/3
Radiation Belts Jun 4
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All spacecraft subsystems continued to operate nominally.
Return to 2000 Status Reports
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