Supernova studies. V - The luminosity function of supernovae of type II

Details Supernova studies. V - The luminosity function of supernovae of type II Supernova studies. V - The luminosity function of supernovae of type II

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...236..149t&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 236, no. 1, Sept. 1990, p. 149-154. Research supported by SNSF.

Astronomy and Astrophysics

Astrophysics

13

Faint Objects, Stellar Luminosity, Supernovae, Brightness Distribution, Classifications

Scientific paper

A minimum-bias sample of 23 nearby SNeII is used to derive their luminosity distribution. It is well represented by a Gaussian with M(B)(max) = -17.2(H0 = 50) and sigma (M) = 1.2. The faintest object of the sample, SN 1987A, can be drawn from the normal distribution, without the necessity of postulating many additional faint SNe, although some faint objects may have been missed. The low mean luminosity of SNeII tends to increase previous estimates of their frequency.

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