中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Quasi-simultaneous two band optical micro-variability of luminous radio-quiet QSOs

文献类型:期刊论文

作者Gupta, AC1,2; Yuan WM(袁为民)2
刊名NEW ASTRONOMY
出版日期2009-01
卷号14期号:1页码:88-96
关键词Galaxies: active - radio-quiet quasars Radio-loud quasar: individual-0748+291, 0824+098, 0832+251, 1101+319, 1225+317, 1410+429 General: photometry - quasars
ISSN号1384-1076
产权排序第二完成单位
通讯作者Gupta, AC (reprint author), Aryabhatta Res Inst Observat Sci ARIES, Naini Tal 263129, India.
英文摘要We report the first results of quasi-simultaneous two passband optical monitoring of six quasi-stellar objects to search for micro-variability. We carried out photometric monitoring of these sources in an alternating sequence of R and V passbands, for five radio-quiet quasi-stellar objects (RQQSOs), 0748 + 291, 0824 + 098, 0832 + 251, 1101 + 319, 1225 + 317 and one radio-loud quasi-stellar object (RLQSO), 1410 + 429. No micro-variability was detected in any of the RQQSOs, but convincing micro-variability was detected in the RLQSO on two successive nights it was observed. Using the compiled data of optical micro-variability of RQQSOs till date, we got the duty cycle for micro-variability in RQQSOs is similar to 10%. The present investigation indicates that micro-variability is not a persistent property of RQQSOs but an occasional incident. (C) 2008 Elsevier B.V. All rights reserved.
WOS标题词Science & Technology ; Physical Sciences
学科主题Astronomy & Astrophysics
类目[WOS]Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics
关键词[WOS]ACTIVE GALACTIC NUCLEI ; BL LACERTAE OBJECTS ; INTERMEDIATE QUASARS ; RELATIVISTIC JET ; CENTRAL ENGINES ; VARIABILITY ; LOUD ; TIMESCALES ; BLAZARS ; OUTBURSTS
收录类别SCI
原文出处http://www.sciencedirect.com/science/article/pii/S1384107608000729
语种英语
WOS记录号WOS:000259890900013
源URL[http://ir.ynao.ac.cn/handle/114a53/4989]  
专题云南天文台_高能天体物理研究组
作者单位1.Aryabhatta Research Institute of Observational Sciences (ARIES), Manora Peak, Nainital 263 129, India
2.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences (CAS), P.O. Box 110, Kunming, Yunnan 650011, China
推荐引用方式
GB/T 7714
Gupta, AC,Yuan WM. Quasi-simultaneous two band optical micro-variability of luminous radio-quiet QSOs[J]. NEW ASTRONOMY,2009,14(1):88-96.
APA Gupta, AC,&Yuan WM.(2009).Quasi-simultaneous two band optical micro-variability of luminous radio-quiet QSOs.NEW ASTRONOMY,14(1),88-96.
MLA Gupta, AC,et al."Quasi-simultaneous two band optical micro-variability of luminous radio-quiet QSOs".NEW ASTRONOMY 14.1(2009):88-96.

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来源:云南天文台

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