111 citations · 350 across the 14 of their papers we have counts for
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The X-ray outburst of PG 1553+113: A precession effect of two jets in the supermassive black hole binary system
Shifeng Huang, Hongxing Yin, Shaoming Hu +4
Blazar PG 1553+113 is thought to be a host of supermassive black hole binary (SMBHB) system. A 2.2-year quasi-periodicity in the -ray light curve was detected, possibly result o…
Constraining Evolution of Magnetic Field Strength in Dissipation Region of Two BL Lac Objects
Xu-Liang Fan, Da-Hai Yan, Qing-Wen Wu +1
With the assumption that the optical variability timescale is dominated by the cooling time of the synchrotron process for BL Lac objects, we estimate time dependent magnetic field…
A possible tidal disruption event candidate in the black hole binary system of OJ 287
Shifeng Huang, Shaoming Hu, Hongxing Yin +4
The BL Lacertae OJ 287 is a supermassive black holes binary (SMBHB) system with complex physics of its irregular flares. During 2016 October -- 2017 April period, a surprising outb…
Curvature induced polarization and spectral index behavior for PKS 1502+106
Xi Shao, Yunguo Jiang, Xu Chen
A comprehensive study of multifrequency correlations can shed light on the nature of variation for blazars. In this work, we collect the long-term radio, optical and -ray light…
Statistical analysis of micro-variability properties of the blazar S5 0716+714
Jingran Xu, Shaoming Hu, James R. Webb +5
The typical blazar S5 0716714 is very interesting due to its rapid and large amplitude variability and high duty cycle of micro-variability in optical band. We analyze the obser…
Microvariability Detection of Mrk 421
Xu Chen, ShaoMing Hu, DiFu Guo
The BL Lac object Mrk 421 was observed in optical bands from 2009 April to 2012 May with the 1.0 m telescope at Weihai Observatory of Shandong University. Microvariability was anal…