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Analysis of Long-Term Single-Site Observations of The Pulsating DB White Dwarf GD 3581

Published online by Cambridge University Press:  12 April 2016

P.A. Bradley
P.A. Bradley*
Affiliation:
Los Alamos National Laboratory, X-2 MS B220, Los Alamos, NM 87545-2345, USA

Abstract

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We briefly describe the analysis of single-site data collected from 1982 to 1992 for the pulsating DB white dwarf GD 358. We show that the amplitudes of almost all of the l = 1 modes change over time, and some of the l = 1 modes disappear for months at a time. We also find a new mode at k = 19, with a frequency of ~1173μHz.

Type
Part 9. Evolutionary and pulsation properties of variable stars
Information
International Astronomical Union Colloquium , Volume 193: Variable Stars in the Local Group , 2004 , pp. 506 - 510
Copyright
Copyright © Astronomical Society of the Pacific 2004

Footnotes

1

These data were collected at McDonald Observatory, Fort Davis, Texas

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