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Rapid optical variability of gamma-raye-loud blazars
Dai BZ(戴本忠)1,2,3,4; Xie GZ(谢光中)1,2,3,4; Li KH(李开华)1,2; Zhou SB(周曙白)1,2,3,4; Liu WW(刘威卫)1,2; Jiang ZJ(姜泽军)1,4; Xie, GZ (reprint author), Chinese Acad Sci, Yunnan Astron Observ, POB 110, Kunming 650011, Peoples R China.
发表期刊ASTRONOMICAL JOURNAL
2001-12
卷号122期号:6页码:2901-2912
DOI10.1086/324450
产权排序第1完成单位
收录类别SCI
关键词Bl Lacertae Objects : General Galaxies : Active Galaxies : Photometry Quasars : General
摘要We present the optical (B, V, and R) photometry for nine GeV and/or TeV gamma -ray blazars, which were observed from 2000 through 2001 with the 1 m telescope at Yunnan Astronomical Observatory. The GeV gamma -ray-loud source PKS 1510-089 was very active during our observation period, showing an apparent variation of 2.0 mag within 41 minutes in the R band. This is the most violently rapid variability in our optical monitoring program since 1982. Some physics parameters are calculated for this source, namely, the emission size, Doppler factor delta, the efficiency (eta) for conversion of accreted matter into energy, and luminosity. An eta = 62.2 was obtained, strongly implying that relativistic beaming is responsible for the rapid variability of the gamma -ray-loud source. The influence of variable seeing conditions on the observations was investigated. There is a weak correlation between the observed variability and the local seeing conditions for the object 1ES 2344+51.4.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6256
URL查看原文
归档日期2002-02-27
WOS记录号WOS:000172932200008
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]BL-LACERTAE OBJECTS ; ACTIVE GALAXY MARKARIAN-421 ; HIGH-ENERGY FLARE ; INTRADAY VARIABILITY ; X-RAY ; COMPARISON STARS ; PHOTOMETRIC SEQUENCES ; EXTRAGALACTIC SOURCES ; GALACTIC NUCLEI ; VRI PHOTOMETRY
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被引频次:36[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/114a53/6931
专题星系研究组
通讯作者Xie, GZ (reprint author), Chinese Acad Sci, Yunnan Astron Observ, POB 110, Kunming 650011, Peoples R China.
作者单位1.Yunnan Astronomical Observatory, Chinese Academy of Sciences, P.O. Box 110, Kunming 650011, China
2.National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China
3.United Laboratory of Optical Astronomy, Chinese Academy of Sciences, Beijing, China
4.Yunnan Astrophysics Center, Yunnan University, Kunming 650091, China
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GB/T 7714
Dai BZ,Xie GZ,Li KH,et al. Rapid optical variability of gamma-raye-loud blazars[J]. ASTRONOMICAL JOURNAL,2001,122(6):2901-2912.
APA Dai BZ.,Xie GZ.,Li KH.,Zhou SB.,Liu WW.,...&Xie, GZ .(2001).Rapid optical variability of gamma-raye-loud blazars.ASTRONOMICAL JOURNAL,122(6),2901-2912.
MLA Dai BZ,et al."Rapid optical variability of gamma-raye-loud blazars".ASTRONOMICAL JOURNAL 122.6(2001):2901-2912.
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