A Chandra observation of the proper motion of RCW 89

Details A Chandra observation of the proper motion of RCW 89 A Chandra observation of the proper motion of RCW 89

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cxo..prop.2405y&link_type=abstract

Chandra Proposal ID #09500791

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Chandra Proposal Id #09500791

Scientific paper

In cycle 6 we observed RCW 89 to resolve fine structure in X-ray band. From the observation we discovered that the X-ray emitting region in RCW 89 are moving away from the pulsar at a velocity of 5000 km/s. The motion of X-ray emitting region may represent the propagation of the shock front driven by the supernova blastwave or the relativistic pulsar jet. And these results can be an evidence for that PSR B 1509-58 and MSH 15-52 (RCW 89) are physically linked. However the calculated velocity has large uncertainty caused by the low quality of the image taken by the first observation of PSR B1509-58 on 2000, in which RCW 89 was on the edge of ACIS-I with worse photon statistics. We therefor propose another 60 ks Chandra observation of RCW 89.

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