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Astron. Astrophys. 328, L29-L32

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Letter to the Editor

Low luminosity type II + Ib,c supernovae*

L. Woltjer

Observatoire de Haute Provence (CNRS), F-04870 Saint-Michel l'Observatoire, France

Received 15 August 1997 / Accepted 16 September 1997


A combined sample has been constructed of supernovae of types II or Ib,c in our Galaxy and in external galaxies nearer than 4 Mpc. It is concluded that the luminosity function remains relatively flat down to MV = -13 to -14. Supernova rates obtained from traditional extraglactic samples should probably be increased by a factor of 1.5 - 2. A relatively simple observational programme could yield more definite answers in five to ten years time.

Key words: supernovae: general - ISM: supernova remnants

*Much of this article was written during a visit to Arcetri Observatory, Florence, Italy

© European Southern Observatory (ESO) 1997

Online publication: November 24, 1997
Last change: March 26, 1998