Statistics of extragalactic supernovae

Details Statistics of extragalactic supernovae Statistics of extragalactic supernovae

Mar 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...204..519m&link_type=abstract

Astrophysical Journal, vol. 204, Mar. 1, 1976, pt. 1, p. 519-529. Research supported by the National Research Council of Canada

Statistics

130

Elliptical Galaxies, Spiral Galaxies, Star Distribution, Supernovae, Frequency Distribution, Galactic Radiation, Galactic Structure, Light Curve, Luminous Intensity, Statistical Analysis, Stellar Spectra, Tables (Data)

Scientific paper

It is shown that supernovae of Type II are concentrated in spiral arms, whereas those of Type I show no preference for spiral-arm regions. Rediscussion of available supernova statistics suggests that Tammann (1970) may have overestimated the dependence of supernova frequency on galaxy inclination. A study of the distribution of supernovae in elliptical galaxies indicates that the supernova rate per unit luminosity may be highest among (possibly metal-poor) stars in the halos of E galaxies. All galaxies in which supernovae are known to have occurred have been classified on the DDO system.

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