Infrared variability of BL Lacertae

doi:10.1051/aas:1998318

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	Infrared variability of BL Lacertae
	Fan, JH 1,2; Xie GZ(谢光中)3 ; Lin, RG 2; Tan YP(覃一平)3
发表期刊	ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
	1998-12-01
卷号	133 期号:2 页码:217-220
DOI	10.1051/aas:1998318
产权排序	第3完成单位
收录类别	SCI
关键词	Infrared : Galaxies Bl Lacertae Objects : Bl Lac
摘要	In this paper, the historic light curves of BL Lacertae in the infrared (JHK) bands have been constructed from the published literature. Maximum variations of Delta J = 2.(m)29, Delta H = 2.(m)42, and Delta K = 2.(m)93 and average color indices of J - H = 0.78 +/- 0.11, H - K = 0.78 +/- 0.12; and J-K = 1.55 +/- 0.13 have been found. The relation between the color index and the brightness of the source and the correlation of color-color indices have been investigated. Our analysis shows that there is no clear correlation between the color index and the brightness, and the emission mechanism is non-thermal in the near-infrared.
语种	英语
学科领域	Astronomy & Astrophysics
文章类型	Article
ISSN	0365-0138
URL	查看原文
WOS记录号	WOS:000077358600008
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
关键词[WOS]	ACTIVE GALACTIC NUCLEI ; 0.35-3.5 MICRON PHOTOMETRY ; LAC OBJECTS ; MULTIFREQUENCY OBSERVATIONS ; X-RAY ; 3C 66A ; POLARIMETRY ; BLAZARS ; RADIO ; POLARIZATION
引用统计	被引频次：17[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/114a53/6868
专题	星系研究组
通讯作者	Fan, JH
作者单位	1.CCAST (World Laboratory), P.O. Box 8730, Beijing 100080, China 2.Center for Astrophysics, Guangzhou Normal University, Guangzhou 510400, China 3.Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
推荐引用方式 GB/T 7714	Fan, JH,Xie GZ,Lin, RG,et al. Infrared variability of BL Lacertae[J]. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,1998,133(2):217-220.
APA	Fan, JH,Xie GZ,Lin, RG,&Tan YP.(1998).Infrared variability of BL Lacertae.ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,133(2),217-220.
MLA	Fan, JH,et al."Infrared variability of BL Lacertae".ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES 133.2(1998):217-220.

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