Spectral Similarity of Fast Expanding Scattering Dominated Envelopes

Details Spectral Similarity of Fast Expanding Scattering Dominated Envelopes Spectral Similarity of Fast Expanding Scattering Dominated Envelopes

Apr 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apj...461l..45p&link_type=abstract

Astrophysical Journal Letters v.461, p.L45

Astronomy and Astrophysics

Astronomy

1

Cosmology: Theory, Stars: Novae, Cataclysmic Variables, Stars: Supernovae: General

Scientific paper

We discuss recent numerical and analytical results that show that different sets of input parameters for supernova/nova model atmospheres yield synthetic spectra that are indistinguishable from one another. The underlying physical reason for this phenomenon is that the atmospheres are Thomson scattering--dominated, and have a gray scattering coefficient. Implications for distance measurements by means of the expanding photosphere method are briefly discussed.

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