PMO OpenIR  > 暗物质和空间天文实验室
Recent Seven Years of Radio and Optical Variabilities of Quasar 1156+295
Liu, Baorong1,3,4,5; Liu, Xiang1,2
2014-09-01
Source PublicationJOURNAL OF ASTROPHYSICS AND ASTRONOMY
Volume35Issue:3Pages:481-483
AbstractWe 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.
KeywordQuasar: Individual: 1156+295 Long-term Variability
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000350481700064
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/15683
Collection暗物质和空间天文实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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