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Optical monitoring of three gamma ray-Loud Bl Lacertae objects in 1999-2002
Zhang, X; Zhang, L; Zhao, G; Xie, ZH; Wu, L; Zheng, YG
2004-11-01
Source PublicationASTRONOMICAL JOURNAL
Volume128Issue:5Pages:1929-1941
AbstractWe 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.
KeywordBl Lacertae Objects : General Gamma Rays : Observations
Indexed BySCI
Language英语
WOS IDWOS:000224866500001
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8923
Collection光学天文研究部
Affiliation1.Yunnan Normal Univ, Dept Phys, Kunming 650092, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China
4.Yunnan Univ, Dept Phys, Kunming 650091, Peoples R China
Recommended Citation
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,&Zheng, YG.(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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