The supernova rate in the solar neighborhood

Details The supernova rate in the solar neighborhood The supernova rate in the solar neighborhood

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj.....99..843v&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 99, March 1990, p. 843-845.

Astronomy and Astrophysics

Astronomy

15

Solar Neighborhood, Stellar Evolution, Supernovae, Main Sequence Stars, Stellar Luminosity, Stellar Mass

Scientific paper

Consideration is given to the local (R less than 3 kpc) rate of core collapse supernovae during the last 1000 yrs. It is shown that the rate is significantly higher than that derived from the bright end of Scalo's (1986) luminosity function and the assumption that all stars with main-sequence masses greater than 8 solar masses become supernovae. Suggestions for resolving the difference are discussed, focusing on four possible causes: (1) the lower limit to the main-sequence masses of supernova precursers is lower than estimated, (2) the bright end of the stellar luminosity function near the sun is more populous than assumed, (3) the distances of nearby supernovae are underestimated, or (4) mass transfer in close binaries adds to the pool of objects with masses large enough to explode as core-collapse supernovae.

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