Polarization Diagnostics for Supernova Circumstellar Material

Details Polarization Diagnostics for Supernova Circumstellar Material Polarization Diagnostics for Supernova Circumstellar Material

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21543009p&link_type=abstract

American Astronomical Society, AAS Meeting #215, #430.09; Bulletin of the American Astronomical Society, Vol. 42, p.357

Astronomy and Astrophysics

Astronomy

Scientific paper

Most supernovae that interact with their circumstellar material possess strong Hα emission lines with complex polarization profiles. Analyzing these line profiles can help determine the geometrical characteristics of the supernova ejecta and surrounding CSM. Using an established radiative transfer code, we created a grid of numerical models simulating polarized Hα line profiles arising from the interaction of Type II-P supernovae with CSM of a range of geometries, temperatures, and optical depths. We present a quantitative comparison of the various diagnostic features of these simulated lines. This research has been supported by the National Science Foundation and a Summer Research Grant from the University of Denver.

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