Chandra Observations of the Eastern Limb of the Vela Supernova Remnant

Details Chandra Observations of the Eastern Limb of the Vela Supernova Remnant Chandra Observations of the Eastern Limb of the Vela Supernova Remnant

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...198.4004p&link_type=abstract

American Astronomical Society, 198th AAS Meeting, #40.04; Bulletin of the American Astronomical Society, Vol. 33, p.840

Astronomy and Astrophysics

Astronomy

Scientific paper

We present initial results from two Chandra/ACIS observations of the so-called Vela ``Bullet D'' region on the eastern limb of the Vela supernova remnant. The Bullet D region is a bright X-ray feature, identified by Aschenbach et al. from the ROSAT All-Sky Survey, which protrudes beyond the blast wave on the east side of the remnant. It has been suggested that this feature is a fragment of supernova ejecta which is just now pushing beyond the position of the main blast wave. An alternate explanation is that the feature is a ``break-out'' of the shock in which inhomogeneities in the ambient medium cause the shock to be non-spherical. We will use the imaging and spectral capabilities of the Chandra/ACIS instrument to distinguish between these competing explanations.

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