DOES G29-38 HAVE A MASSIVE COMPANION

被引：11

作者：

GRAHAM, JR

MCCARTHY, JK

REID, IN

RICH, RM

机构：

[1] COLUMBIA UNIV,DEPT ASTRON,NEW YORK,NY 10017

[2] UNIV TEXAS,DEPT ASTRON,AUSTIN,TX 78712

来源：

ASTROPHYSICAL JOURNAL | 1990年 / 357卷 / 01期

关键词：

Stars: individual (G29-38); Stars: pulsation; Stars: white dwarfs;

D O I：

10.1086/185757

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

High-resolution echelle spectroscopy (0.34 Å) of the white dwarf ZZ Ceti variable G29-38 yields radial velocity measurements which rule out the presence of a massive compact companion invoked to explain the phase modulation of optical pulsations of this star.

引用

收藏

页码：L21 / L24

页数：4

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