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Recent Seven Years of Radio and Optical Variabilities of Quasar 1156+295
Liu, Baorong1,3,4,5; Liu, Xiang1,2
2014-09-01
发表期刊JOURNAL OF ASTROPHYSICS AND ASTRONOMY
卷号35期号:3页码:481-483
摘要We analyzed the radio (4.8, 8.0 and 14.5 GHz) light curves from UMRAO database and the optical data of quasar 1156 + 295 and found that the quasar exhibited remarkable quasi-periodic long-term flux variations in both radio and optical bands with a similar variability timescale of 1.2 +/- 0.3 yr. In addition, when a cross correlation analysis was adopted to the radio and optical light curves, we found that the optical variations may precede those of the radio e.g., at 14.5 GHz by similar to 200 days.
文章类型Article
关键词Quasar: Individual: 1156+295 Long-term Variability
WOS标题词Science & Technology ; Physical Sciences
收录类别SCI
语种英语
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000350481700064
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文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/15703
专题暗物质和空间天文实验室
作者单位1.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
3.Guangxi Univ, Dept Phys, Nanning 530004, Peoples R China
4.Guangxi Univ, GXU NAOC, Ctr Astrophys & Space Sci, Nanning 530004, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Liu, Baorong,Liu, Xiang. Recent Seven Years of Radio and Optical Variabilities of Quasar 1156+295[J]. JOURNAL OF ASTROPHYSICS AND ASTRONOMY,2014,35(3):481-483.
APA Liu, Baorong,&Liu, Xiang.(2014).Recent Seven Years of Radio and Optical Variabilities of Quasar 1156+295.JOURNAL OF ASTROPHYSICS AND ASTRONOMY,35(3),481-483.
MLA Liu, Baorong,et al."Recent Seven Years of Radio and Optical Variabilities of Quasar 1156+295".JOURNAL OF ASTROPHYSICS AND ASTRONOMY 35.3(2014):481-483.
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