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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: http://chandra.harvard.edu/photo/2018/m51/

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.



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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

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All spacecraft subsystems continued to support nominal operations.

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