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Operations CXO Status Report

Friday 2 March 2018 9.00am EST

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

A Chandra image release was issued on Mar 1 describing observations of an ultraluminous X-ray (ULX) source in M51. Using data from Chandra, observers discovered an unusual dip in the X-ray spectrum which they attribute to cyclotron resonance scattering due to charged particles circling in a strong magnetic field. This implies that the ULX is a neutron star rather than a black hole and may provide insight into the mechanism by which these sources shine so brightly. For details see:

The schedule of targets for the next week is shown below and includes an observation of PSR J1622-4950 coordinated with NuSTAR, and an observation of MAXI J1813-095, which was accepted as a Target of Opportunity on Feb 21 and is coordinated with NuSTAR.

        SDSSJ092023.84+0034    ACIS-S       Mar  5
        SDSSJ022556.08+0030    ACIS-S
        J0224-4711             ACIS-S
        Abell1300              ACIS-I       Mar  6
        SPT-CLJ2355-5259       ACIS-I
        MAXIJ1813-095          ACIS-S
        Radiation Belts                     Mar  7
        Mrk59                  ACIS-S
        PSRJ1622-4950          ACIS-S
        Abell1300              ACIS-I       Mar  8
        CentaurusA             ACIS-I
        SPT-CLJ2328-5533       ACIS-I
        PSRJ1622-4950          ACIS-S
        Abell1300              ACIS-I
        PSS0926+3055           ACIS-S       Mar  9
        J0300+2654             ACIS-S
        VHSJ2227-5203          ACIS-S
        Radiation Belts                     Mar 10
        VHSJ2130-4930          ACIS-S
        Abell1300              ACIS-I
        NGC4242                ACIS-S
        NGC3726                ACIS-S
        PS12dm                 ACIS-S
        NGC5448                ACIS-S
        PS12kn                 ACIS-S       Mar 11
        NGC5473                ACIS-S
        Mrk59                  ACIS-S
        Radiation Belts                     Mar 12


All spacecraft subsystems continued to support nominal operations.

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