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The Blue Straggler F190: A Case for Mass Transfer

Published online by Cambridge University Press:  07 August 2017

Alejandra A. E. Milone  and
David W. Latham
Alejandra A. E. Milone
Affiliation:
Harvard-Smithsonian Center for Astrophysics and Córdoba Observatory, National University of Córdoba Laprida 854, 5000 Córdoba, Argentina
David W. Latham
Affiliation:
Harvard-Smithsonian Center for Astrophysics 60 Garden Street, Cambridge, Massachusetts 02138, U.S.A.

Abstract

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The blue straggler F190 is a member of the old open cluster M67. We argue that F190 may still be in the final stages of the mass transfer that has made it into a blue straggler. We use the turnoff mass of the cluster and the mass function derived from the spectroscopic orbit for F190 to constrain the masses of each member of the binary, both before mass transfer and now. We find that the mass transfer must have been nearly 100 percent efficient.

Type
Oral and Contributed Papers
Information
Symposium - International Astronomical Union , Volume 151: Evolutionary Processes in Interacting Binary Stars , 1992 , pp. 475 - 478
Copyright
Copyright © Kluwer 1992 

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