Long Term Periodicity Analysis of OJ 287 at Optical V Waveband

doi:10.1007/s12036-014-9218-8

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	Long Term Periodicity Analysis of OJ 287 at Optical V Waveband
	Tang, J 1; Zhang HJ(张皓晶)2,3 ; Pang, Q 1
会议录名称	JOURNAL OF ASTROPHYSICS AND ASTRONOMY
	2014-09
卷号	35
期号	3
页码	301-305
DOI	10.1007/s12036-014-9218-8
产权排序	第2完成单位
收录类别	SCI ; CPCI
会议名称	Conference on Variability of Blazars - From Jansky to Fermi
会议日期	2012-12-14
会议地点	Guangzhou, PEOPLES R CHINA
关键词	Galaxies: Bl Lacertae Objects Individual: Oj 287 Periodic Variation Methods: Numerical: Periodic Analysis
摘要	BL Lacertae object OJ 287 is one of the blazar that shows convincing evidence to support periodic variations. We have collected V band data for OJ 287 from 1891 to 2010, from the University of Michigan Radio Observatory (UMRAO) database and the available literature. Based on the spectral estimate theory, this paper used the periodogram spectral estimate, the maximum entropy spectral estimate and bispectrum spectral estimate methods. Applying these methods to the periodic analysis of OJ 287, we find the most eminent period as 12.1 yr. The results confirm that the variability period of OJ 287 in the optical V band is in agreement with the radio variability period of about 12 years.
资助项目	National Nature Science Foundation of China[U1231202] ; National Nature Science Foundation of China[11063004] ; innovation team of gravitation theory research in Yunnan Normal University[2011CI127] ; innovation team of High Energy Astrophysics Science and Technology in Yunnan Province Universities ; Science Foundation of Yunnan Province of China[2010CD016] ; Science Foundation of Yunnan Province of China[2012FB140]
项目资助者	National Nature Science Foundation of China[U1231202, 11063004] ; innovation team of gravitation theory research in Yunnan Normal University[2011CI127] ; innovation team of High Energy Astrophysics Science and Technology in Yunnan Province Universities ; Science Foundation of Yunnan Province of China[2010CD016, 2012FB140]
语种	英语
学科领域	天文学 ; 星系与宇宙学
文章类型	Article; Proceedings Paper
出版者	INDIAN ACAD SCIENCES
出版地	C V RAMAN AVENUE, SADASHIVANAGAR, P B #8005, BANGALORE 560 080, INDIA
ISSN号	0250-6335
URL	查看原文
WOS记录号	WOS:000350481700024
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
关键词[WOS]	VARIABILITY ; OJ-287
引用统计	被引频次：3[WOS] [WOS记录] [WOS相关记录]
文献类型	会议论文
条目标识符	http://ir.ynao.ac.cn/handle/114a53/5438
专题	南方基地
作者单位	1.School of Physics and Telecommunication Engineering, Shaanxi University of Technology, Shaanxi, 723001, China 2.Yunnan Astronomical Observatory, National Astronomical Observatory, Chinese Academy of Sciences, Kunming, Yunnan, 650011, China 3.College of Physics and Electronics, Yunnan Normal University, Kunming, Yunnan, 650092, China
推荐引用方式 GB/T 7714	Tang, J,Zhang HJ,Pang, Q. Long Term Periodicity Analysis of OJ 287 at Optical V Waveband[C]. C V RAMAN AVENUE, SADASHIVANAGAR, P B #8005, BANGALORE 560 080, INDIA:INDIAN ACAD SCIENCES,2014:301-305.

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