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The Initial–Final Mass Relationship of White Dwarfs in Common Proper Motion Pairs and Open Clusters

Published online by Cambridge University Press:  12 July 2007

S. Catalán ,
I. Ribas ,
J. Isern ,
E. García–Berro  and
C. Allende Prieto
S. Catalán
Affiliation:
Institut d'Estudis Espacials de Catalunya, c/Gran Capità 2–4, 08034 Barcelona, Spain email: [email protected] Institut de Ciències de l'Espai, CSIC, Facultat de Ciències, UAB, 08193 Bellaterra, Spain
I. Ribas
Affiliation:
Institut d'Estudis Espacials de Catalunya, c/Gran Capità 2–4, 08034 Barcelona, Spain email: [email protected] Institut de Ciències de l'Espai, CSIC, Facultat de Ciències, UAB, 08193 Bellaterra, Spain
J. Isern
Affiliation:
Institut d'Estudis Espacials de Catalunya, c/Gran Capità 2–4, 08034 Barcelona, Spain email: [email protected] Institut de Ciències de l'Espai, CSIC, Facultat de Ciències, UAB, 08193 Bellaterra, Spain
E. García–Berro
Affiliation:
Institut d'Estudis Espacials de Catalunya, c/Gran Capità 2–4, 08034 Barcelona, Spain email: [email protected] Departament de Física Aplicada, Escola Politècnica Superior de Castelldefels, Universitat Politècnica de Catalunya, Avda. del Canal Olímpic s/n, 08860 Castelldefels, Spain
C. Allende Prieto
Affiliation:
McDonald Observatory and Dept. of Astronomy, University of Texas, Austin, TX 78712, USA
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Abstract

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We have studied white dwarfs in common proper motion pairs (CPMPs) to improve the semi-empirical initial–final mass relationship of white dwarfs. In this contribution, we report new results obtained from spectroscopic observations of both members of several CPMPs composed of an F, G or K type star and a DA white dwarf.

Keywords

stars: white dwarfsstars: abundancesstars: evolutionbinaries: visual
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S240: Binary Stars as Critical Tools & Tests in Contemporary Astrophysics , August 2006 , pp. 380 - 382
Copyright
Copyright © International Astronomical Union 2007

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