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Search for Intra-day Optical Variability in gamma-Ray-loud Blazars S5 0716+714 and 3C 273
Liu HT(刘洪涛)1,2,3; Feng HC(封海成)1,2,4; Xin YX(辛玉新)1,2,3,4; Bai JM(白金明)1,2,3; Li SK(李少昆)1,2,3; Wang, Fang5
发表期刊ASTROPHYSICAL JOURNAL
2019-08-01
卷号880期号:2页码:12
DOI10.3847/1538-4357/ab29fc
产权排序第1完成单位
收录类别SCI
关键词BL Lacertae objects: general BL Lacertae objects: individual (S5 0716+714) galaxies: active quasars: general quasars: individual (3C 273)
摘要We present the photometric observations of blazars S5 0716+714 and 3C 273 with high temporal resolution (30-60 s) in the I or R bands. The observations were performed with a 1.02 m optical telescope from 2007 March 7 to 2012 May 16. The F-test, one-way analysis of variance (ANOVA) test, and z-transformed discrete correlation function (ZDCF) cross-correlation zero lag test are used to search for intra-day variability (IDV). Four and five reliable IDVs survive three tests for S5 0716+714 and 3C 273, respectively. IDVs are found for S5 0716+714 and 3C 273. A flare on 2008 May 8 has Delta I approximate to 0.06 +/- 0.01 mag in a duration of 0.54 hr for S5 0716+714. A flare on 2011 May 10 shows Delta R approximate to 0.05 +/- 0.01 mag in a duration of 0.40 hr for 3C 273. Sharp dips appear on 2011 May 9 for 3C 273 and show Delta R approximate to 0.05 +/- 0.01 mag. Under the assumptions that the IDV is tightly connected to black hole mass, M., and that the flare durations are representative of the minimum characteristic timescales, we can estimate upper bounds to M.. In the case of the Kerr black holes, M. less than or similar to 10(8.91) M-circle dot and M. less than or similar to 10(9.02) M-circle dot are given for S5 0716+714 and 3C 273, respectively. These mass measurements are consistent with those measurements reported in the literature. Also, we discuss the origins of optical variations found in this work.
资助项目Key Research Program of the CAS[KJZD-EW-M06] ; National Natural Science Foundation of China (NSFC)[11433004] ; National Natural Science Foundation of China (NSFC)[11573067] ; Ministry of Science and Technology of China[2016YFA0400700] ; NSFC[11273052] ; CAS Interdisciplinary Innovation Team
项目资助者Key Research Program of the CAS[KJZD-EW-M06] ; National Natural Science Foundation of China[11433004, 11573067, 11273052] ; Ministry of Science and Technology of China[2016YFA0400700] ; CAS Interdisciplinary Innovation Team
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
ISSN0004-637X
URL查看原文
WOS记录号WOS:000478952800018
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVE GALACTIC NUCLEI ; SUPERMASSIVE BLACK-HOLES ; BL LACERTAE OBJECTS ; PERIODIC OSCILLATIONS ; COMPARISON STARS ; COMPLETE SAMPLE ; LIGHT CURVES ; RADIO ; QUASARS ; MASSES
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被引频次:15[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/114a53/20863
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 650011, Yunnan, People's Republic of China;
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, Yunnan, People's Republic of China
3.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing, 100012, People's Republic of China
4.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
5.School of Physics and Space Science, China West Normal University, Nanchong, 637009, People's Republic of 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
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Liu HT,Feng HC,Xin YX,et al. Search for Intra-day Optical Variability in gamma-Ray-loud Blazars S5 0716+714 and 3C 273[J]. ASTROPHYSICAL JOURNAL,2019,880(2):12.
APA Liu HT,Feng HC,Xin YX,Bai JM,Li SK,&Wang, Fang.(2019).Search for Intra-day Optical Variability in gamma-Ray-loud Blazars S5 0716+714 and 3C 273.ASTROPHYSICAL JOURNAL,880(2),12.
MLA Liu HT,et al."Search for Intra-day Optical Variability in gamma-Ray-loud Blazars S5 0716+714 and 3C 273".ASTROPHYSICAL JOURNAL 880.2(2019):12.
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