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Operations CXO Status Report

Friday 28 May 2021 9.00am EDT

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

Chandra passed through the fifth, sixth, and seventh eclipses of the season on May 21, 24 and 27, with nominal power and thermal performance.

A Chandra image release was issued on May 27 to present a new panoramic image of the center of our galaxy, the Milky Way. The image, assembled from 370 pointings with Chandra representing over 1500 hours of observing, combined with data from the MeerKAT radio telescope in South Africa, expands Chandra's view farther above and below the plane of the Galaxy than previous imaging campaigns. Of particular interest are several thin, elongated threads, visible both in X-rays and radio emission and roughly perpendicular to the plane of the Galaxy. These threads mingle hot gas with magnetic fields, and may may have formed when magnetic fields aligned in different directions collided, resulting in a release of energy and a new field geometry. This reconnection process is similar to the mechanism thought to drive energetic particles away from the Sun and generate some of the space weather phenomena that sometimes affect Earth. For more details see:

The schedule of targets for the next week is shown below and includes an observation of Terzan6, which is a follow-up to a Target of Opportunity accepted on Mar 31, an observation of SwiftJ1858.6-0814, which is a follow-up to a Target of Opportunity accepted on May 4, an observation of CXOJ134856.4+263944, which was accepted as a Director's Discretionary Time Target of Opportunity on May 7, and an observation of IGRJ16318-4848 coordinated with NuSTAR.

        WASP-17                ACIS-S       May 30
        J111208.75+085030.4    ACIS-S       May 31
        H1821+643              HRC-S /LETG
        Radiation Belts                     Jun  1
        Terzan6                ACIS-S
        NGC253                 ACIS-I
        SwiftJ1858.6-0814      ACIS-S
        4U0114+65              ACIS-S/HETG  Jun  2
        CGCG077-117            ACIS-S
        CXOJ134856.4+263944    ACIS-S
        Radiation Belts                     Jun  3
        Westerlund1            ACIS-I
        SNR0519-69.0           ACIS-S       Jun  4
        Westerlund1            ACIS-I
        LTT1445A               ACIS-S
        Westerlund1            ACIS-I       Jun  5
        SNR0519-69.0           ACIS-S
        IGRJ16318-4848         ACIS-S/HETG
        Radiation Belts                     Jun  6
        IGRJ16318-4848         ACIS-S/HETG


All spacecraft subsystems continued to support nominal operations.

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