The 'Seyfert 1' optical spectra of the type II supernovae 1987F and 1988I

Details The 'Seyfert 1' optical spectra of the type II supernovae 1987F and 1988I The 'Seyfert 1' optical spectra of the type II supernovae 1987F and 1988I

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97..726f&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 97, March 1989, p. 726-734. Research supported by the University of California.

Astronomy and Astrophysics

Astronomy

94

Quasars, Seyfert Galaxies, Spiral Galaxies, Supernovae, Active Galactic Nuclei, Balmer Series, Emission Spectra, H Alpha Line, Light Curve, Star Formation, Stellar Evolution

Scientific paper

Observations of the type II supernovae 1987F and 1988I are discussed. The overall optical spectroscopic properties of SN 1987F are shown to resemble those of type I Seyfert nuclei and quasars. The properties of SN 1987F are compared with the spectrum of 3C 48. Similar results are obtained for SN 1988I. It is suggested that if either of these supernovae had occurred in the nucleus of a normal galaxy, the nucleus would have been classified as a type 1 Seyfert, if the only data available were low-resolution optical spectra. Thus, it is concluded that some low-luminosity active galaxies might actually be due to violent bursts of star formation rather than accretion onto a supermassive black hole.

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