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Fun for Two

Published online by Cambridge University Press:  13 May 2016

Simon F. Portegies Zwart ,
Lev R. Yungelson  and
Gijs Nelemans
Simon F. Portegies Zwart
Affiliation:
Massachusetts Institute of Technology, Cambridge, MA 02139, USA, Hubble Fellow
Lev R. Yungelson
Affiliation:
Institute of Astronomy of Russian Academy of Sciences, Moscow, Russia
Gijs Nelemans
Affiliation:
Sterrenkundig Institute Anton Pannekoek, Amsterdam, The Netherlands

Abstract

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We performed populations synthesis calculations of single stars and binaries and show that binary evolution is extremely important for Galactic astronomy. We review several binary evolution models and conclude that they give quite different results. These differences can be understood from the assumptions related to how mass is transfered in the binary systems. Most important are 1) the fraction of mass that is accreted by the companion star during mass transfer, 2) the amount of specific angular momentum which is carried away with the mass that leaves the binary system.

Type
XII. Invited Debate: The Status of PMS Tracks
Information
Symposium - International Astronomical Union , Volume 200: The Formation of Binary Stars , 2001 , pp. 505 - 510
Copyright
Copyright © Astronomical Society of the Pacific 2001 

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