SEVEN-YEAR MULTI-COLOR OPTICAL MONITORING OF BL LACERTAE OBJECT S5 0716+714

被引：22
|
作者：
Dai, Yan [1 ,2 ]
Wu, Jianghua [1 ]
Zhu, Zong-Hong [1 ]
Zhou, Xu [3 ]
Ma, Jun [3 ]
Yuan, Qirong [4 ,5 ]
Wang, Lingzhi [1 ]
机构：
[1] Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
[2] Beijing Planetarium, Dept Popularizat Astron, Beijing 100044, Peoples R China
[3] Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China
[4] Nanjing Normal Univ, Dept Phys, Nanjing 210046, Jiangsu, Peoples R China
[5] Nanjing Normal Univ, Inst Theoret Phys, Nanjing 210046, Jiangsu, Peoples R China
来源：
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2013年 / 204卷 / 02期
关键词：
BL Lacertae objects: individual (S5 0716+714); galaxies: active; galaxies: photometry; EXTRAGALACTIC SOURCES; RAPID VARIABILITY; POLARIZATION; S5-0716+714; FLARE; MODEL;
D O I：
10.1088/0067-0049/204/2/22
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have monitored the BL Lacertae object S5 0716+714 in five intermediate optical wavebands from 2004 September to 2011 April. Here, we present data that include 8661 measurements representing one of the largest databases obtained for an object in the optical domain. A simple analysis of the data indicates that the object was active most of the time, and intraday variability was frequently observed. In total, the object varied by 2.614 mag in the i band. Strong bluer-when-brighter chromatism was observed on long, intermediate, and short timescales.
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页数：9
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