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Operations CXO Status Report

Friday 3 July 2015 9.00am EDT

During the last week the observing schedule was replanned to incorporate an observation of NuSTAR J163600-4748.4, which was accepted as a Target of Opportunity on Jun 29. Loads for the replanned schedule were uplinked on Jul 2. A scheduled observation of ESOO506-G027 was impacted by the replan and will be rescheduled in a future week.

A real-time procedure was executed on Jul 1 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer.

A Chandra image release was issued on Jul 2 describing observations of the star cluster NGC 1333. NGC 1333 is about 780 light years from Earth and contains many young stars. X-rays reveal information about the brightness and other properties of these very young stars. For details see: http://chandra.si.edu/photo/2015/ngc1333/

Of note this week was the release on Jul 1 of CALDB 4.6.8 and CIAO Script package 4.7.3. The CALDB update includes new ACIS time-dependent gain corrections for the period Feb-Apr 2015, updated ones for Nov 2014-Jan 2015, and corrected ones for Nov 2013-Oct 2014. The script package update includes bug fixes for combine_spectra and ecf_calc and adds multi-ObI observation support to merge_obs, reproject_obs, and flux_obs. For details see: http://cxc.cfa.harvard.edu/caldb/downloads/Release_notes/CALDB_v4.6.8.html and http://cxc.harvard.edu/ciao4.7/download/scripts/history.html

The schedule of targets for the next week is shown below



------------------------------------------
UGC2698 ACIS-S Jul 6 Mrk477 ACIS-S XMMUJ183245-0921539 ACIS-I Vega HRC-I Vega (4 obs) HRC-S UDS ACIS-I Kes73 ACIS-S Jul 7 Radiation Belts UDS ACIS-I Jul 8 Kes73 ACIS-S UDS ACIS-I Jul 9 Kes73 ACIS-S AXJ1714.1-3912 ACIS-I Jul 10 Radiation Belts UDS ACIS-I Cl1813-178 ACIS-I Jul 11 UDS ACIS-I Cl1813-178 ACIS-I Jul 12 HD191612 ACIS-S/HETG Radiation Belts

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All spacecraft subsystems continued to support nominal operations.

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