The intrinsic frequency of faint supernovae resembling SN 1987A

Details The intrinsic frequency of faint supernovae resembling SN 1987A The intrinsic frequency of faint supernovae resembling SN 1987A

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...347l..29v&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 347, Dec. 1, 1989, p. L29, L30.

Astronomy and Astrophysics

Astrophysics

11

Faint Objects, Stellar Evolution, Supernova 1987A, Light Curve, Metallicity, Stellar Luminosity, Stellar Mass

Scientific paper

The supernova search program by Evans (1989) is used here to show that intrinsically faint supernovae similar to SN 1987A are probably no more frequent intrinsically than are SN II with more nearly normal luminosities. This is due to the fact that intrinsically faint SN II are not very common because their progenitors must be metal-poor. Within a population of galaxies with a normal luminosity function, only a small fraction of all young massive stars are formed, evolve, and die in metal-poor low-luminosity galaxies. As a result, the intrinsic frequency of faint supernovae resembling SN 1987A cannot be very high.

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