Spectrum Synthesis of the Type IA SNe 1992A and 1981B

Details Spectrum Synthesis of the Type IA SNe 1992A and 1981B Spectrum Synthesis of the Type IA SNe 1992A and 1981B

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.7902n&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #79.02; Bulletin of the American Astronomical Society, Vol. 26, p.1444

Astronomy and Astrophysics

Astronomy

Scientific paper

We present NLTE synthetic spectra for the Type Ia supernovae SN 1992A and SN 1981B, near maximum light. At this epoch both supernovae were observed from the UV through the optical. This wide spectral coverage is essential for determining the density structure of a SN Ia. Our fits are in good agreement with observation and provide some insight as to the differences between these supernovae. We also discuss the application of the expanding photosphere method to SNe Ia which gives a distance that is independent of those based on the decay of (56) Ni and Cepheid variable stars.

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