Hansen, Brad M. S. and Phinney, E. Sterl (1998) Stellar forensics — I. Cooling curves. Monthly Notices of the Royal Astronomical Society, 294 (4). pp. 557-568. ISSN 0035-8711. doi:10.1111/j.1365-8711.1998.01232.x. https://resolver.caltech.edu/CaltechAUTHORS:20190205-142100141
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Abstract
The presence of low-mass, degenerate secondaries in millisecond pulsar binaries offers the opportunity to determine an age for the binary system independently of the rotational properties of the pulsar. To this end, we present here a detailed calculation of the evolution of a grid of low-mass (< 0.5 M⊙) helium core white dwarfs. We investigate the effects of different hydrogen layer masses and provide results for well-known optical bandpasses. We supplement the OPAL opacity calculations with our own calculations for low effective temperatures (T_(eff) < 6000 K) and also provide fitting formulae for the gravity as a function of mass and effective temperature. In Paper II we apply these results to individual cases.
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| Additional Information: | © 1998 RAS. Accepted 1997 September 1. Received 1997 June 3; in original form 1996 November 25. The authors thank Marten van Kerkwijk and Yanqin Wu for lengthy discussions about white dwarf physics, and Glenn Soberman for helping with the initial conditions for our models. The generosity of D. Saumon, G. Fontaine, I. Mazzitelli, F. Rogers and C. Iglesias in providing their microphysical results is also appreciated. We also thank the referee, Dr D’Antona, for some insightful comments on the atmospheric physics. | |||||||||
| Group: | TAPIR | |||||||||
| Subject Keywords: | binaries: general, stars: evolution, stars: fundamental parameters, white dwarfs | |||||||||
| Issue or Number: | 4 | |||||||||
| DOI: | 10.1111/j.1365-8711.1998.01232.x | |||||||||
| Record Number: | CaltechAUTHORS:20190205-142100141 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190205-142100141 | |||||||||
| Official Citation: | Brad M. S. Hansen, E. Sterl Phinney; Stellar forensics — I. Cooling curves, Monthly Notices of the Royal Astronomical Society, Volume 294, Issue 4, 11 March 1998, Pages 557–568, https://doi.org/10.1111/j.1365-8711.1998.01232.x | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 92689 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 05 Feb 2019 22:32 | |||||||||
| Last Modified: | 16 Nov 2021 03:52 |
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