Operations CXO Status Report

Friday 9 July 2010 9.00am EDT

During the last week Chandra completed the observing schedule as planned. A real-time procedure was executed on Jul 7 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer. A second real-time procedure was executed on Jul 8 to update the on-board ephemeris. A Chandra press release was issued on Jul 7 describing observations of a newly discovered microquasar in the nearby galaxy NGC 7793. In a microquasar, a stellar-mass black hole is being fed by a companion star. The black hole in the microquasar is generating two powerful jets, which are blowing outward and creating huge bubbles of hot gas. For details see: http://chandra.harvard.edu/press/10_releases/press_070710.html The schedule of targets for the next week is shown below and includes an observation of GX 9+9 coordinated with RXTE and the VLA and an observation of TOO_XTEJ1752-223 coordinated with the VLA.

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Radiation Belts                     Jul 11
ChandraDeepField-S     ACIS-I       Jul 12
HE1104-1805            ACIS-S
TOO_XTEJ1752-223       ACIS-S
Abell1423              ACIS-I
GX9+9                  ACIS-S/HETG  Jul 13
Radiation Belts                     Jul 14
Vega (4 obs)           HRC-S
Vega                   HRC-I
ChandraDeepField-S     ACIS-I
SDSSJ134738.23+4743    ACIS-S       Jul 15
NGC6535                ACIS-S
SDSSJ120046.28+4834    ACIS-S       Jul 16
ChandraDeepField-S     ACIS-I
Radiation Belts
VelaPWN                ACIS-S       Jul 17
G353.1+0.6             ACIS-I
SDSSJ112526.51+0220    ACIS-S       Jul 18
SN1999ec               ACIS-S
NGC2179                ACIS-S
ChandraDeepField-S     ACIS-I
NGC1638                ACIS-S       Jul 19
NGC3457                ACIS-S

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All spacecraft subsystems continued to support nominal operations.

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