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Operations CXO Status Report

Friday 9 November 2018 9.00am EST

During the last week Chandra completed the observing schedule as planned.

A real-time procedure was executed on Nov 6 to perform a full-frame dark current readout of the Aspect Camera Assembly CCD during a standard one-hour comm pass. A second real-time procedure was executed on Nov 7 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer. A third real-time procedure was executed on Nov 8 to uplink three flight software patches. The first patch was to update the gyro calibration misalignment matrix, the second patch was to update the initialization values of the gyro bias vector, and the third patch increased the limit for the on-board HRMA average temperature health check. An additional real-time procedure was executed on Nov 9 to dump OBC-A memory as a follow-up to the patches. The dump will be used to update the baseline memory images maintained on the ground.

On note this week was the release on Nov 5 of CXCDS version 10.7 for standard processing. The release features support for the CentOS-7 operating system which is now the baseline for processing machines.

The schedule of targets for the next week is shown below.



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Radiation Belts Abell98 ACIS-I Nov 11 J0147 ACIS-S PSRJ1853-0649 ACIS-S J1531+4533 ACIS-S J1010+3725 ACIS-S XZTauandHLTau ACIS-S/HETG SDSS123 ACIS-I Nov 12 XZTauandHLTau ACIS-S/HETG PSRJ0612+3721 ACIS-S JWST-DTDF-4 ACIS-I Radiation Belts Nov 13 MAXIJ1820+070 ACIS-S LSBCF544-01 ACIS-S Nov 14 UGC1230 ACIS-S Abell98 ACIS-I JWST-DTDF-4 ACIS-I Abell98 ACIS-I CFHQSJ1641+3755 ACIS-S Nov 15 NGC4595 ACIS-S V830Tau ACIS-S/HETG Radiation Belts Nov 16 A1795 ACIS-S J1042+2451 ACIS-S V830Tau ACIS-S/HETG MKW4-E ACIS-I V830Tau ACIS-S/HETG Nov 17 J0756+4432 ACIS-S CFHQSJ1641+3755 ACIS-S ASASSN-14ae ACIS-S V830Tau ACIS-S/HETG Nov 18 SDSSJ100402.61+2855 ACIS-S Radiation Belts

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All spacecraft subsystems continued to support nominal operations.

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