Analysis of the spectral features of a recent supernova 1987n

Details Analysis of the spectral features of a recent supernova 1987n Analysis of the spectral features of a recent supernova 1987n

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.157...65r&link_type=abstract

(Instituto de Astrofisica de Canarias and Comision Interministerial de Ciencia y Tecnologia, Summer School on Evolutionary Pheno

Astronomy and Astrophysics

Astrophysics

1

Spectrum Analysis, Stellar Spectra, Supernova 1987A, Abundance, Opacity, Stellar Envelopes

Scientific paper

In the present attempt to analyze the spectra of NGC 7606's SN 1987n spectra over a period of 10 days from the time of maximum brightness, a standard, simple model of spectral synthesis is first used which involves a high uncertainty in the abundance determinations obtained. A novel analysis is then developed on the basis of a model which, although based like the standard model on Sobolev's approximation, nevertheless allows for a more realistic continuum treatment. This analysis is found to point to a significant attenuation effect on the radiation in the lines, due to continuum scattering which can also affect the abundance determinations.

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