Other
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21543008h&link_type=abstract
American Astronomical Society, AAS Meeting #215, #430.08; Bulletin of the American Astronomical Society, Vol. 42, p.357
Other
Scientific paper
Spectropolarimetric observations of supernovae have become more common in recent years. With the aid of diagnostic tools developed through numerical modeling, such studies have the potential to reveal otherwise inaccessible information about the geometrical configurations of supernova ejecta and their environments. A spectropolarimetric phenomenon known as a "q-u loop" has been observed in several cases in which the supernova ejecta interact with pre-existing circumstellar material. Though these loops have usually been interpreted simply as signatures of generalized asphericities in the scattering material, they contain a wealth of detailed geometrical information that has so far remained untapped. I use a spectropolarimetric radiative transfer code to quantitatively investigate the conditions under which q-u loops arise, link loop characteristics with underlying physical properties of the ejecta and CSM, and discuss the implications of these loop simulations for the particular case of the Type IIn SN 1997eg. This research is supported by the National Science Foundation.
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