Variability of stars in the Pulkovo spectrophotometric catalog

被引：3
|
作者：
Arkharov, AA [1 ]
Hagen-Thorn, EI [1 ]
Ruban, EV [1 ]
机构：
[1] Main Pulkovo Astron Observ, St Petersburg 196140, Russia
来源：
ASTRONOMY REPORTS | 2005年 / 49卷 / 07期
关键词：
Statistical Study; Spectral Band; Random Noise; Variable Star; Brightness Variation;
D O I：
10.1134/1.1985950
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present the results of a statistical study of brightness variability for 693 stars of the Pulkovo spectrophotometric database in five spectral bands in the range lambda lambda 320-1080 rim. Significant brightness variations were detected in at least one spectral band against the background of the random noise for one-third of the stars not earlier believed to be variable. A comparison of the distributions of these variations in amplitude and spectral band for the normal and variable stars shows that variability is inherent to most stars to some extent and is often wavelength dependent. (c) 2005 Pleiades Publishing, Inc.
引用
收藏
页码：526 / 534
页数：9
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