On the ultraviolet spectra of Type I supernovae

Details On the ultraviolet spectra of Type I supernovae On the ultraviolet spectra of Type I supernovae

Jul 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...306l..21b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 306, July 1, 1986, p. L21-L23.

Astronomy and Astrophysics

Astrophysics

27

Cygnus Constellation, Stellar Spectra, Supernovae, Ultraviolet Radiation, Cobalt, Iron, Metallic Stars, Wolf-Rayet Stars

Scientific paper

A synthetic-spectrum technique, applied previously to the interpretation of the optical spectra of Type I supernovae, has been extended to the maximum-light near-ultraviolet spectrum. Spectral features in the interval 2750-3450 A are suggested to be complex blends of overlapping P Cygni profiles produced by numerous Fe II and Co II lines. This interpretation, if correct, provides further evidence for radial composition mixing in classical Type I supernovae (Type Ia), and conflicts with suggestions that explosions of Wolf-Rayet stars are responsible for the recently emphasized supernova subclass, Type Ib.

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