XMM Observation Of The Synchrotron Nebula In MSH 15-56 (G326.3-1.8)

Details XMM Observation Of The Synchrotron Nebula In MSH 15-56 (G326.3-1.8) XMM Observation Of The Synchrotron Nebula In MSH 15-56 (G326.3-1.8)

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006head....9.0189p&link_type=abstract

American Astronomical Society, HEAD meeting #9, #1.89; Bulletin of the American Astronomical Society, Vol. 38, p.343

Astronomy and Astrophysics

Astronomy

Scientific paper

We present an analysis of the XMM observation of the Galactic Supernova Remnant (SNR) MSH 15-56 (G326.3-1.8).
MSH 15-56 is the archetypical composite SNR. It contains the third brightest radio plerion known, yet all searches for the putative pulsar have been unsuccessful. Our Chandra observation has revealed a point-like source with a diffuse nebula which is located just outside the radio synchrotron nebula. The Chandra spectrum is relatively hard and consistent with a power-law model. We will present a spectral analysis from the deeper XMM observations to confirm or refute the non-thermal nature of the emission and a timing analysis of the point-like source. We explore the possibility that this object could be the long-sought pulsar and associated X-ray synchrotron nebula in MSH 15-56.
This work was supported by NASA contract NNG05GA38G.

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