81 citations · 324 across the 18 of their papers we have counts for
Showing 2013 · astro-ph.HEShow all
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astro-ph.HE2013★ 1 cited
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…
astro-ph.HE2013★ 2 cited
Variability of OI 090.4
Shao Ming Hu, Xu Chen, Di Fu Guo
OI 090.4 was monitored on 21 nights from 2006 to 2012 for studying the variability. Strong variations occurred during the past 6 years. The long-term variability amplitude is consi…