SIMBAD references

2005AJ....130.1652R - Astron. J., 130, 1652-1657 (2005/October-0)

New estimates of the solar-neighborhood massive star birthrate and the galactic supernova rate.


Abstract (from CDS):

The birthrate of stars of masses {ges}10 M is estimated from a sample of just over 400 O3-B2 dwarfs within 1.5 kpc of the Sun and the result extrapolated to estimate the Galactic supernova rate contributed by such stars. The solar-neighborhood Galactic-plane massive star birthrate is estimated at ∼176 stars/kpc3/Myr. On the basis of a model in which the Galactic stellar density distribution comprises a ``disk+central hole'' like that of the dust infrared emission (as proposed by Drimmel and Spergel), the Galactic supernova rate is estimated at probably not less than ∼1 nor more than ∼2 per century and the number of O3-B2 dwarfs within the solar circle at ∼200,000.

Abstract Copyright:

Journal keyword(s): Stars: Early-Type - Stars: Supernovae: General

VizieR on-line data: <CDS Catalogue: V/125>

Simbad objects: 18344

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