The long-term behaviour of optical variability of NGC 4151

被引：7
|
作者：
Fan, JH [1 ]
Su, CY
机构：
[1] Guangzhou Normal Coll, Dept Phys, Guangzhou 510400, Peoples R China
[2] Guangzhou Ind Univ, Dept Phys, Guangzhou 510643, Peoples R China
来源：
CHINESE ASTRONOMY AND ASTROPHYSICS | 1999年 / 23卷 / 01期
关键词：
optical variability; period; NGC; 4151;
D O I：
10.1016/S0275-1062(99)00022-3
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We collected nearly 90 years of data of NGC 4151 and used Jurkevich's method to analyze its light variation. A long period of 14.04 +/- 0.8 yr exists in the light variation and there is strong correlation between its spectral type and brightness.
引用
收藏
页码：22 / 26
页数：5
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