Chandra Observation of Galactic SNR G299.2-2.9

Details Chandra Observation of Galactic SNR G299.2-2.9 Chandra Observation of Galactic SNR G299.2-2.9

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006head....9.0106p&link_type=abstract

American Astronomical Society, HEAD meeting #9, #1.06; Bulletin of the American Astronomical Society, Vol. 38, p.329

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Scientific paper

We report on the results from our Chandra observation of a Galactic supernova remnant (SNR) G299.2-2.9. The high resolution Chandra images clearly reveal the shell-type morphology of the SNR. The circumferential regions of the SNR consist of complex emission features of bright shells, small knots, and faint diffuse emission extending beyond the shell. These features indicate that the SNR blast wave is propagating into highly inhomogeneous ambient medium. On the other hand, the central region of the SNR is a faint diffuse nebula that reveals strong enhancements in Si, S, and Fe ejecta. The presence of the overabundant Si-group elements, with no such enhancements in the O-group elemental abundances, may suggest a Type Ia origin for G299.2-2.9.

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