Friday 13 November 2020 9.00am EST
During the last week Chandra completed the observing schedule as planned. Real-time procedures were executed on Nov 7 to perform an annual check-out of A-side MUPS thrusters, which are selected for use when Chandra is in its safe-mode configuration. Thrusters A2, A3, and A4 were fired. Thrusters performed nominally. Thruster A1 was not fired due to the expected limited life remaining on it. A real-time procedure was also executed on Nov 10 to monitor the ramp-up of the HRC-S detector high voltage, as part of an HRC-S check-out observation of Capella for which all science commanding was in the weekly loads. The real-time procedure and the observation ran nominally. Additional real-time procedures were executed during each ground contact to reset the DSN Outage Dead Man Load. A Chandra image release was issued on Nov 12 describing a study which found a bubble of ultra-hot gas at the center of the planetary nebula IC 4593. The study also finds evidence for a point-like X-ray source at the center of IC 4593. For details see: https://chandra.si.edu/photo/2020/ic4593/ The schedule of targets for the next week is shown below and include observations of Saturn, which was accepted as a Director's Discretionary Time Target of Opportunity on Oct 19, and an observation of Swift J1858.6-0814, which is a follow-up to a Target of Opportunity accepted on May 4. |
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NGC1320 ACIS-S Nov 15
NGC1167 ACIS-S
HD156559 HRC-I Nov 16
RBS797 ACIS-S
NGC1167 ACIS-S
RBS797 ACIS-S
M33-North ACIS-I Nov 17
Radiation Belts
MCG-5-23-16 ACIS-S/HETG
2MASSJ04214586+2023 ACIS-S
MCG-5-23-16 ACIS-S/HETG Nov 18
M51 ACIS-S
NGC1167 ACIS-S
M33-South ACIS-I Nov 19
Saturn HRC-I
SNR0509-67.5 ACIS-S
Radiation Belts Nov 20
2MASSJ04214586+2023 ACIS-S
MCG-5-23-16 ACIS-S/HETG
2MASSJ04214586+2023 ACIS-S
UGC01958 ACIS-S Nov 21
Saturn HRC-I
SwiftJ1858.6-0814 ACIS-S
SNR0509-67.5 ACIS-S
OrionNebulaCluster ACIS-S/HETG Nov 22
Radiation Belts------------------------------------------
All spacecraft subsystems continued to support nominal operations.
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