Optical monitoring of three gamma ray-Loud Bl Lacertae objects in 1999-2002

doi:10.1086/424537

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	Optical monitoring of three gamma ray-Loud Bl Lacertae objects in 1999-2002
	Zhang, X 1,2; Zhang L(张力)3,4 ; Zhao, G 2; Xie, ZH 1; Wu, L 1; Zheng, YG 1; Zhang, X (reprint author), Yunnan Normal Univ, Dept Phys, Kunming 650092, Peoples R China.
发表期刊	ASTRONOMICAL JOURNAL
	2004-11
卷号	128 期号:5 页码:1929-1941
DOI	10.1086/424537
产权排序	第3完成单位
收录类别	SCI
关键词	Bl Lacertae Objects : General Gamma Rays : Observations
摘要	We present the results of optical photometric (BVRI) monitoring of three gamma-ray - loud BL Lac objects (3C 66A, PKS 0735+ 178, and BL Lacertae) in 1999 - 2002. During our observations, these objects showed significant rapid variations: 3C 66A and PKS 0735+ 178 exhibit short-timescale ( similar to 1 hr) variability in the B band, and BL Lac exhibits intraday variability in B and V. We find that there is a strong correlation between brightness and color for 3C 66A and BL Lac. We have analyzed the relationship between optical variability and gamma-ray variability and discuss theoretical models for gamma-ray - loud BL Lac emission. We have found shorter time variability for 3C 66A and PKS 0735+ 178 compared with previous reports.
语种	英语
学科领域	Astronomy & Astrophysics
文章类型	Article
ISSN	0004-6256
URL	查看原文
WOS记录号	WOS:000224866500001
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
关键词[WOS]	EXTRAGALACTIC RADIO-SOURCES ; ACTIVE GALACTIC NUCLEI ; SHORT-TERM VARIABILITY ; X-RAY ; LAC OBJECTS ; VARIABLE SOURCES ; CCD PHOTOMETRY ; BLACK-HOLE ; BLAZARS ; EMISSION
引用统计	被引频次：30[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/114a53/4173
专题	其他
通讯作者	Zhang, X (reprint author), Yunnan Normal Univ, Dept Phys, Kunming 650092, Peoples R China.
作者单位	1.Department of Physics, Yunnan Normal University, 650092 Kunming, China 2.National Astronomical Observatories, Chinese Academy of Sciences, 20A Datun Road, 100012 Beijing, China 3.Yunnan Observatory, National Astronomical Observatories, Chinese Academy of Sciences, P.O. Box 110, 650011 Kunming, China 4.Department of Physics, Yunnan University, 650091 Kunming, China
推荐引用方式 GB/T 7714	Zhang, X,Zhang L,Zhao, G,et al. Optical monitoring of three gamma ray-Loud Bl Lacertae objects in 1999-2002[J]. ASTRONOMICAL JOURNAL,2004,128(5):1929-1941.
APA	Zhang, X.,Zhang L.,Zhao, G.,Xie, ZH.,Wu, L.,...&Zhang, X .(2004).Optical monitoring of three gamma ray-Loud Bl Lacertae objects in 1999-2002.ASTRONOMICAL JOURNAL,128(5),1929-1941.
MLA	Zhang, X,et al."Optical monitoring of three gamma ray-Loud Bl Lacertae objects in 1999-2002".ASTRONOMICAL JOURNAL 128.5(2004):1929-1941.

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