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Long Term Periodicity Analysis of OJ 287 at Optical V Waveband
Tang, J1; Zhang HJ(张皓晶)2,3; Pang, Q1
Source PublicationJOURNAL OF ASTROPHYSICS AND ASTRONOMY
2014-09
Volume35
Issue3
Pages301-305
DOI10.1007/s12036-014-9218-8
Contribution Rank第2完成单位
Indexed BySCI ; CPCI
Conference NameConference on Variability of Blazars - From Jansky to Fermi
Conference Date2012-12-14
Conference PlaceGuangzhou, PEOPLES R CHINA
KeywordGalaxies: Bl Lacertae Objects Individual: Oj 287 Periodic Variation Methods: Numerical: Periodic Analysis
Abstract

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.

Funding ProjectNational 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]
Funding OrganizationNational 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]
Language英语
Subject Area天文学 ; 星系与宇宙学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle; Proceedings Paper
PublisherINDIAN ACAD SCIENCES
Publication PlaceC V RAMAN AVENUE, SADASHIVANAGAR, P B #8005, BANGALORE 560 080, INDIA
ISSN0250-6335
URL查看原文
WOS IDWOS:000350481700024
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordVARIABILITY ; OJ-287
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5438
Collection丽江天文观测站(南方基地)
Affiliation1.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
Recommended Citation
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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