Intraday optical variability of the BL Lacertae object S5 0716+714
Zhang, BK; Dai, BZ; Wang, LP; Zhao, M; Zhang, L; Cao, Z;曹臻
刊名MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2012
卷号421期号:4页码:3111-3115
关键词methods: statistical BL Lacertae objects: general BL Lacertae objects: individual: S5 0716+714
学科分类Astronomy & Astrophysics
DOI10.1111/j.1365-2966.2012.20533.x
英文摘要The intraday optical variability of the BL Lacertae object S5 0716+714 is studied using historical light curves. The well-sampled intranight data set is selected. In total, 19 333 data points have been collected over 208 nights. The source exhibits strong variability in the optical band. At a confidence level of 99.9 per cent, for 162 of the 208 nights the source shows intranight variability. The source varies with an increasing rate of 0.043 mag h-1 and a decreasing rate of 0.036 mag h-1 during the observations, with no evident difference between rising and falling parts. The fast variability is found on JD 245 1909, with a decreasing rate of 0.015 mag min-1 over 6 min. The temporal characteristic is studied by using the structure function method. The result shows that the source varies with an 11.5-min time-scale. For this source, the emission size is estimated to be 1.39 x 1014 cm, the mass of the central black hole is estimated to be 107.87 M? and the magnetic field strength is estimated to be 10.6 G.
收录类别SCI
WOS记录号WOS:000302620700031
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被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224225
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
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Zhang, BK,Dai, BZ,Wang, LP,et al. Intraday optical variability of the BL Lacertae object S5 0716+714[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2012,421(4):3111-3115.
APA Zhang, BK,Dai, BZ,Wang, LP,Zhao, M,Zhang, L,&Cao, Z;曹臻.(2012).Intraday optical variability of the BL Lacertae object S5 0716+714.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,421(4),3111-3115.
MLA Zhang, BK,et al."Intraday optical variability of the BL Lacertae object S5 0716+714".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 421.4(2012):3111-3115.
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