X-ray and Optical Emission Correlations in the Shocked Ejecta in Cassiopeia A

Details X-ray and Optical Emission Correlations in the Shocked Ejecta in Cassiopeia A X-ray and Optical Emission Correlations in the Shocked Ejecta in Cassiopeia A

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21822809p&link_type=abstract

American Astronomical Society, AAS Meeting #218, #228.09; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

We present multi-epoch X-ray and optical observations of the ejecta in the Galactic supernova remnant Cassiopeia A. We discuss the evolution of the emissions from the remnant's shocked ejecta as seen in optical using broadband, ground-based and Hubble Space Telescope images and Chandra ACIS X-ray images and compare the morphology of these emissions at both similar and differing epochs. Using a hydrodynamical model of the supernova remnant's reverse shock, we compare the structure and spectral evolution of the ejecta's optical and X-ray emissions to detailed multidimensional models for the evolution of the shock and the
nonequilibrium ionization in the ejecta.

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