AAS 201st Meeting, January, 2003
Session 87. Radio and X-Ray SNRs
Poster, Wednesday, January 8, 2003, 9:20am-6:30pm, Exhibit Hall AB

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[87.03U] Anomalous Radio Quiet Zones in X-ray Bright Young Supernova Remnants G54.1+0.3 and 3C58

J. Z. Chen, S. J. Massenburg, G. A. Wolpert, J. W. Keohane (NC School of Science and Math), C. M. Olbert (University of North Carolina- Chapel Hill), C. R. Clearfield (Harvard University)

We present analyses of the young, Crab-like supernova remnants (SNRs) G54.1+0.3 and 3C58 in the X-ray and radio wavelength regions using public data from the Chandra X-Ray Observatory and the Very Large Array. By overlaying the X-ray and radio images, we discover similar anomalous radio quiet point sources in each object that are slightly offset from the X-ray pulsar (~5 and ~10 for G54.1+0.3 and 3C58 respectively). The radio quiet sources are likely not coincident with the X-ray pulsars due to the unrealistically large kick velocities that the pulsars would have to possess. To explain this radio offset, we discuss simple physical models, several of which appear promising, but all of which have significant weaknesses.

The author(s) of this abstract have provided an email address for comments about the abstract: chenj@ncssm.edu

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