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The Stellar Luminosity Function and Binary Stars

Published online by Cambridge University Press:  12 April 2016

Pavel Kroupa ,
Christopher A. Tout  and
Gerard Gilmore
Pavel Kroupa
Affiliation:
Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, England
Christopher A. Tout
Affiliation:
Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, England
Gerard Gilmore
Affiliation:
Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, England

Abstract

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If all stars within a small volume surrounding the sun are counted we obtain an approximation of the low-mass single-star luminosity function. Alternatively, deep photographic surveys cannot resolve most of the binary systems, and consequently we obtain an approximation to the system luminosity function. Comparing the single-star and system luminosity functions we derive the stellar mass function and constrain the properties of binary systems.

Type
Theoretical Aspects
Information
International Astronomical Union Colloquium , Volume 135: Complementary Approaches to Double and Multiple Star Research , 1992 , pp. 234 - 237
Copyright
Copyright © Astronomical Society of the Pacific 1992

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