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The evolution of helium white dwarfs: Applications for millisecond pulsars

Published online by Cambridge University Press:  12 April 2016

T. Driebe ,
T. Blöcker  and
D. Schönberner
T. Driebe
Affiliation:
Max-Planck-Institut für Radioastronomie, Bonn, Germany
T. Blöcker
Affiliation:
Max-Planck-Institut für Radioastronomie, Bonn, Germany
D. Schönberner
Affiliation:
Astrophysikalisches Institut Potsdam, Potsdam, Germany

Extract

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Low-mass white dwarfs with helium cores (He-WDs) are known to result from mass loss and/or exchange events in binary systems where the donor is a low mass star evolving along the red giant branch (RGB). Therefore, He-WDs are common components in binary systems with either two white dwarfs or with a white dwarf and a millisecond pulsar (MSP). If the cooling behaviour of He-WDs is known from theoretical studies (see Driebe et al. 1998, and references therein) the ages of MSP systems can be calculated independently of the pulsar properties provided the He-WD mass is known from spectroscopy.

Type
Part 9. Population and Neutron Star Properties
Information
International Astronomical Union Colloquium , Volume 177: Pulsar Astronomy - 2000 and Beyond , 2000 , pp. 635 - 636
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

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