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HINTS OF CORRELATION BETWEEN BROAD-LINE AND RADIO VARIATIONS FOR 3C 120
Liu HT(刘洪涛)1,2; Bai JM(白金明)1,2; Wang, JM3,4; Li SK(李少昆)1,2
发表期刊ASTRONOMICAL JOURNAL
2014-01
卷号147期号:1页码:17-
DOI10.1088/0004-6256/147/1/17
产权排序第1完成单位
收录类别SCI
关键词Galaxies: Active Galaxies: Individual (3c 120) Galaxies: Jets Quasars: Emission Lines Radio Continuum: Galaxies
摘要

In this paper, we investigate the correlation between broad-line and radio variations for the broad-line radio galaxy 3C 120. By the z-transformed discrete correlation function method and the model-independent flux randomization/random subset selection (FR/RSS) Monte Carlo method, we find that broad H beta line variations lead the 15 GHz variations. The FR/RSS method shows that the H beta line variations lead the radio variations by a factor of tau(ob) = 0.34 +/- 0.01 yr. This time lag can be used to locate the position of the emitting region of radio outbursts in the jet, on the order of similar to 5 lt-yr from the central engine. This distance is much larger than the size of the broad-line region. The large separation of the radio outburst emitting region from the broad-line region will observably influence the gamma-ray emission in 3C 120.

资助项目NSFC[11133006] ; Youth Innovation Promotion Association, CAS ; project of the Training Programme for the Talents of West Light Foundation, CAS ; National Natural Science Foundation of China (NSFC)[11273052]
项目资助者NSFC[11133006] ; Youth Innovation Promotion Association, CAS ; project of the Training Programme for the Talents of West Light Foundation, CAS ; National Natural Science Foundation of China (NSFC)[11273052]
语种英语
学科领域天文学 ; 星系与宇宙学
学科门类理学 ; 理学::天文学
文章类型Article
出版者IOP PUBLISHING LTD
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-6256
URL查看原文
归档日期2014-01-03
WOS记录号WOS:000328694500017
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVE GALACTIC NUCLEI ; GAMMA-RAY EMISSION ; HIGH-ENERGY EMISSION ; SEYFERT 1 GALAXIES ; OPTICAL CONTINUUM ; LOUD QUASARS ; OBSERVATIONAL EVIDENCE ; RELATIVISTIC JET ; ACCRETION-DISK ; EXTENDED RADIO
引用统计
被引频次:4[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/114a53/5453
专题南方基地
中国科学院天体结构与演化重点实验室
通讯作者Liu HT(刘洪涛)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming, Yunnan 650011, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming, Yunnan 650011, China
3.Key Laboratory for Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China
4.Theoretical Physics Center for Science Facilities, Chinese Academy of Sciences, Beijing 100049, China
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
推荐引用方式
GB/T 7714
Liu HT,Bai JM,Wang, JM,et al. HINTS OF CORRELATION BETWEEN BROAD-LINE AND RADIO VARIATIONS FOR 3C 120[J]. ASTRONOMICAL JOURNAL,2014,147(1):17-.
APA Liu HT,Bai JM,Wang, JM,&Li SK.(2014).HINTS OF CORRELATION BETWEEN BROAD-LINE AND RADIO VARIATIONS FOR 3C 120.ASTRONOMICAL JOURNAL,147(1),17-.
MLA Liu HT,et al."HINTS OF CORRELATION BETWEEN BROAD-LINE AND RADIO VARIATIONS FOR 3C 120".ASTRONOMICAL JOURNAL 147.1(2014):17-.
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