New periods of variable stars in Cygnus based on a quarter of century of photographic observations

被引：0

作者：

Hric, L ^{[1
]}

Gális, R ^{[1
]}

机构：

[1] Slovak Acad Sci, Inst Astron, Tatranska Lomnic 05960, Slovakia

来源：

ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES | 1999年 / 135卷 / 01期

关键词：

stars : techniques : photometric; stars : variables : general;

D O I：

10.1051/aas:1999157

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

This work summarizes the results of photographic photometry obtained over 24 years at the Skalnate Pleso (1979-1993) and Asiago (1969-1988) observatories. The period of light changes, the epoch of the maximum or of the minimum, the type of variability and, in some cases, possible causes of the long-term behaviour of light changes were determined for 17 variable stars.

引用

页码：29 / 40

页数：12

共 23 条

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