Long-term optical color index variability of six blazars

被引：0
|
作者：
Hu, Shao-Ming [1 ,2 ]
Bi, Xiong-Wei [3 ]
Zheng, Yong-Gang [4 ]
Mao, Wei-Ming [2 ]
机构：
[1] Shangdong Univ, Dept Space Sci & Appl Phys, 180 WenHua XiLu, Weihai 264209, Shangdong, Peoples R China
[2] Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
[3] Honghe Univ, Dept Phys, Yunnan 661100, Peoples R China
[4] Yunnan Normal Univ, Dept Phys, Yunnan 650092, Peoples R China
来源：
CENTRAL ENGINE OF ACTIVE GALACTIC NUCLEI | 2007年 / 373卷
关键词：
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We collected many quasi-simultaneous optical observations of six blazars derived from previous published papers over 16 years. The color indices variability was obtained. According to the correlation analysis between color indices and brightness, we found that the variability of blazars contained long-term "mildly-chromatic" variations and "strongly-chromatic" short outbursts. The shock-in-jet model modulated by geometrical effect may provide the better interpretation for the physical mechanism of blazar variability.
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页码：205 / +
页数：2
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