Friday 18 September 2020 9.00am EDT
During the last week Chandra completed the observing schedule as planned. Real-time procedures were executed during each ground contact to reset the DSN Outage Dead Man Load. Following the return to service on Sep 7 of the High Resolution Camera (HRC) anti-coincidence shield, which serves as primary autonomous radiation monitor for safing of the science instruments and had been turned off since the HRC anomaly of Aug 24, and with additional operational precautions in place, science observations with the ACIS instrument began as scheduled on Sep 12 and are proceeding nominally. The Chandra science instrument and engineering teams continue to analyze the HRC anomaly and are working to return the camera to normal science operations. The schedule of targets for the next week is shown below and includes an observation of AT2019wey, which was accepted as a Director's Discretionary Time Target of Opportunity on Sep 12. |
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Radiation Belts Sep 20
AT2019wey/SRG ACIS-S/HETG
Abell2495 ACIS-S
JWST-DTDF-8 ACIS-I Sep 21
Abell2495 ACIS-S
JWST-DTDF-8 ACIS-I
G29-38 ACIS-S
JWST-DTDF-8 ACIS-I Sep 22
Radiation Belts Sep 23
SPT0348-62 ACIS-I
SN2009em ACIS-S
G29-38 ACIS-S
H1821+643 ACIS-S Sep 24
G29-38 ACIS-S
Abell2345 ACIS-I
3FGLJ1528.3-5836 ACIS-S
Abell2345 ACIS-I Sep 25
Radiation Belts
ZwCl1447.2+2619 ACIS-I
Abell2495 ACIS-S Sep 26
H1821+643 ACIS-S
G29-38 ACIS-S
SDSSJ1550+0806 ACIS-S
G29-38 ACIS-S Sep 27
H1821+643 ACIS-S
Abell2345 ACIS-I
Radiation Belts------------------------------------------
All spacecraft subsystems continued to support nominal operations.
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Revised: July 08, 2022