Preliminary asteroseismology of G 29-38

被引：0
|
作者：
Bradley, P
Kleinman, S
机构：
来源：
WHITE DWARFS | 1997年 / 214卷
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
G 29-38 is a cool pulsating DA white dwarf with a series of modes from 110 s to over 1000 s found by Kleinman et al.. We present the results of our attempts to find a seismological fit to G 29-38 by looking for a model that identifies most of the observed modes as l = 1 modes. G 29-38, like several other DAV stars, has a discrepancy between the spectroscopically favored mass of about 0.70M. and the parallactic mass of about 0.85M.. Our preliminary model has a mass of 0.75M. and a hydrogen layer mass of 5 x 10(-7)M(star), and it requires that most modes be l = 1.
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页码：445 / 450
页数：4
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