Optical monitoring of the Seyfert galaxy NGC 4151 and possible periodicities in its historical light curve

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	Optical monitoring of the Seyfert galaxy NGC 4151 and possible periodicities in its historical light curve
	Guo DiFu; Hu ShaoMing; Tao Jun; Yin HongXing; Chen Xu; Pan HongJian
	2014
Source Publication	RESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN	1674-4527
Volume	14 Issue:8 Pages:923
Abstract	We report B, V and R band CCD photometry of the Seyfert galaxy NGC 4151 obtained with the 1.0 m telescope at Weihai Observatory of Shandong University and the 1.56 m telescope at Shanghai Astronomical Observatory from 2005 December to 2013 February. Combining all available data from literature, we have constructed a historical light curve from 1910 to 2013 to study the periodicity of the source using three different methods (the Jurkevich method, the Lomb-Scargle periodogram method and the Discrete Correlation Function method). We find possible periods of P-1 = 4 +/- 0.1, P-2 = 7.5 +/- 0.3 and P-3 = 15.9 +/- 0.3 yr.
Keyword	UNEQUALLY-SPACED DATA PKS 0735+178 TIME-SERIES MRK 421 VARIABILITY NGC-4151 MICROVARIABILITY NUCLEUS BLAZARS PERIOD methods: data analysis galaxies: active galaxies: individual (NGC 4151)
Language	英语
Funding Project	[National Natural Science Foundation of China] ; [Natural Science Foundation of Shandong Province]
Document Type	期刊论文
Identifier	http://ir.bao.ac.cn/handle/114a11/59872
Collection	中国科学院国家天文台
Affiliation	中国科学院国家天文台
First Author Affilication	National Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation GB/T 7714	Guo DiFu,Hu ShaoMing,Tao Jun,et al. Optical monitoring of the Seyfert galaxy NGC 4151 and possible periodicities in its historical light curve[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2014,14(8):923.
APA	Guo DiFu,Hu ShaoMing,Tao Jun,Yin HongXing,Chen Xu,&Pan HongJian.(2014).Optical monitoring of the Seyfert galaxy NGC 4151 and possible periodicities in its historical light curve.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,14(8),923.
MLA	Guo DiFu,et al."Optical monitoring of the Seyfert galaxy NGC 4151 and possible periodicities in its historical light curve".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 14.8(2014):923.

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