DECLINING PHOTOMETRIC AMPLITUDE OF THE CEPHEID VARIABLE POLARIS

被引：10

作者：

BROWN, CF

BOCHONKO, DR

机构：

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC | 1994年 / 106卷 / 703期

关键词：

D O I：

10.1086/133467

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

BV photometric observations of Polaris made in early 1993 show that the amplitude of variation has fallen to approximately half that observed in 1980-81. The observations are presented and analyzed for changes to the amplitude and period of the light curve.

引用

页码：964 / 966

页数：3

共 12 条

[1]

BURKI G, 1986, ASTRON ASTROPHYS, V168, P139

[2]

CAMPBELL WW, 1899, APJ, V10, P180

[3] THE RADIAL-VELOCITY VARIATIONS OF POLARIS - A CEPHEID LEAVING THE INSTABILITY STRIP [J].