DETECTION OF SMALL-AMPLITUDE PULSATIONS IN HD-34656 (O7-II)

被引：19

作者：

FULLERTON, AW

GIES, DR

BOLTON, CT

机构：

[1] UNIV TORONTO,DAVID DUNLAP OBSERV,RICHMOND HILL L4C 4Y6,ONTARIO,CANADA

[2] UNIV TORONTO,DEPT ASTRON,TORONTO M5S 1A1,ONTARIO,CANADA

[3] GEORGIA STATE UNIV,DEPT PHYS & ASTRON,ATLANTA,GA 30303

来源：

ASTROPHYSICAL JOURNAL | 1991年 / 368卷 / 02期

关键词：

D O I：

10.1086/185942

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Radial velocity variations with period 8.18 hr and semiamplitude 3 km s-1 have been detected in high-quality Reticon spectra of the O7 II(f) star HD 34656. These fluctuations indicate that the star is pulsating, possibly in the radial fundamental mode.

引用

页码：L35 / L38

页数：4

共 17 条

[1] SPECTROSCOPIC STUDIES OF O-TYPE STARS .7. ROTATIONAL VELOCITIES V SIN I AND EVIDENCE FOR MACRO-TURBULENT MOTIONS [J].