Probing the Cassiopeia A Supernova Explosion

Details Probing the Cassiopeia A Supernova Explosion Probing the Cassiopeia A Supernova Explosion

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..926...92h&link_type=abstract

ATOMIC PROCESSES IN PLASMAS: 15th International Conference on Atomic Processes in Plasmas. AIP Conference Proceedings, Volume 9

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Astronomical Observations, X-Ray, Nucleosynthesis In Novae, Supernovae, And Other Explosive Environments, Supernova Remnants

Scientific paper

X-ray observations of the Cassiopeia A supernova remnant reveal explosive nucleosynthesis products such as Si and Fe, and thus provide a unique window into the core-collapse explosion that formed the remnant 330 years ago. We review current progress using X-ray spectra extracted on arcsecond angular scales from a 106 s Chandra observation of Cas A, in conjunction with models that follow the remnant's hydrodynamical evolution and treat the relevant plasma microphysics. We address questions related to the explosion such as the degree of explosion asymmetry, the nature of the jets, the nature of the circumstellar environment, and extent of radial mixing of the Fe ejecta.

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