Xu Chen, ShaoMing Hu, DiFu Guo
Published 2013-11-18Version 1
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 analysed by C and F tests, but no significant microvariability was detected during our observations.
Comments: 2 pages, 1 figure
Bright X-ray flares from the BL Lac object Mrk 421, detected with MAXI in 2010 January and February
Dissecting the long-term emission behaviour of the BL Lac object Mrk 421
Rapid variability at very high energies in Mrk 501
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