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Understanding the Elusive Dwarf Carbon Star

Ender Bulunan Cüce Karbon Yıldızını Anlama

Published online by Cambridge University Press:  25 May 2016

Paul J. Green
Paul J. Green*
Affiliation:
Smithsonian Astrophysical Observatory, Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02140, U.S.A.

Abstract

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Most stars in our Galaxy with photospheric C/O > 1 (carbon stars) are not giants but dwarfs. The newly-recognized class of dwarf carbon stars joins the growing family of stars with peculiar abundances that are now recognized as products of mass-transfer binary (MTB) evolution. The dozen examples now known span a wide range of evolutionary histories, ages, and abundances. These stars can already provide some much-needed constraints on the formation of AGB C stars in the disk and spheroid populations, and on the parameters characterizing binary evolution there. A larger sample, with some bright members, would hasten our progress.

Type
Session I — Surveys
Information
Symposium - International Astronomical Union , Volume 177: The Carbon Star Phenomenon , 2000 , pp. 27 - 35
Copyright
Copyright © Kluwer 2000 

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