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The Periodicity Analysis of the Light Curve of 3C 279 and Implications for the Precession Jet
Li, HZ1,2; Xie GZ(谢光中)1,3; Chen, LE2; Dai, H1; Lei, BY4; Yi, TF1,5; Ren, JY2; Li, HZ (reprint author), Yunnan Univ, Dept Phys, Kunming 650091, Peoples R China.
发表期刊PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
2009-11
卷号121期号:885页码:1172-1179
DOI10.1086/648433
产权排序第3完成单位
收录类别SCI
摘要We have analyzed the light curves of 3C 279 at 22 GHz, 37 GHz, optical R band, and X-ray (2-10 KeV), and found evidence of quasi-periodic outbusts. The light curves show that 3C 279 is an extremely active object. A period of P = 130:6 +/- 1:3 days was consistently confirmed by three methods: the power-spectrum method, the discrete correlation function (DCF) method, and the Jurkevich method. Based on the relationship between observed period Pobs and the precession period Pp given by Rieger and our result, the precession period of jet in 3C 279 is P(p) similar or equal to 29.6 yr, which is completely consistent with the precession period of jet of about 30 yr obtained by Carrara et al.. This suggests that there is a precession jet in 3C 279 and the variability period of about 130.6 days that we obtained is most likely caused by the helical motion of the jet.
项目资助者National Natural Science Foundation of China [10878013] ; Natural Science Foundation of Yunnan Province [2006A0049M, 2007A230M]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6280
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WOS记录号WOS:000271193700002
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]RAY-LOUD BLAZARS ; EXTRAGALACTIC RADIO-SOURCES ; ACTIVE GALACTIC NUCLEI ; GAMMA-RAY ; QUASAR 3C-279 ; OPTICAL VARIABILITY ; SPACED DATA ; 87 GHZ ; OUTBURST ; ULTRAVIOLET
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/7045
专题星系研究组
通讯作者Li, HZ (reprint author), Yunnan Univ, Dept Phys, Kunming 650091, Peoples R China.
作者单位1.Physics Department, Yunnan University, Kunming 650091, P. R. China
2.Physics Department, Yuxi Normal University, Yuxi 653100, P. R. China
3.National Astronomical Observatories, Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, P. R. China
4.Vocational Senior High School of Wenshan, Wenshan 663000, China
5.Physics Department, Yunnan Normal University, Kunming 650091, China
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GB/T 7714
Li, HZ,Xie GZ,Chen, LE,et al. The Periodicity Analysis of the Light Curve of 3C 279 and Implications for the Precession Jet[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC,2009,121(885):1172-1179.
APA Li, HZ.,Xie GZ.,Chen, LE.,Dai, H.,Lei, BY.,...&Li, HZ .(2009).The Periodicity Analysis of the Light Curve of 3C 279 and Implications for the Precession Jet.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC,121(885),1172-1179.
MLA Li, HZ,et al."The Periodicity Analysis of the Light Curve of 3C 279 and Implications for the Precession Jet".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 121.885(2009):1172-1179.
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