9 citations · 14 across the 4 of their papers we have counts for
4 papers
Optical Monitoring and Long-term Optical Spectral Variability of BL Lacertae Object S5 0716+714
Huai-Zhen Li, Di-Fu Guo, Long-Hua Qin +7
We present photometric observations of the BL Lacertae object S5 0716+714 with a temporal resolution of 120 s in the Sloan i' and r' bands. These observations were conducted using…
A possible giant planet orbiting the cataclysmic variable LX Ser
K. Li, S. -M. Hu, J. -L. Zhou +6
LX Ser is a deeply eclipsing cataclysmic variable with an orbital period of . Sixty two new eclipse times were determined by our observations and the AAVSO Internatio…
Discovery of a W UMa type binary GSC 03553-00845
D. -F. Guo, K. Li, S. -M. Hu +3
When observing the transiting extrasolar planets, we discovered a new W UMa type binary GSC 03553-00845. Following observation was carried out using the 1m telescope at Weihai Obse…
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…