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Infrared variability of BL Lacertae
Fan, JH1,2; Xie GZ(谢光中)3; Lin, RG2; Tan YP(覃一平)3
Source PublicationASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
1998-12-01
Volume133Issue:2Pages:217-220
DOI10.1051/aas:1998318
Contribution Rank第3完成单位
Indexed BySCI
KeywordInfrared : Galaxies Bl Lacertae Objects : Bl Lac
AbstractIn 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.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0365-0138
URL查看原文
WOS IDWOS:000077358600008
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordACTIVE GALACTIC NUCLEI ; 0.35-3.5 MICRON PHOTOMETRY ; LAC OBJECTS ; MULTIFREQUENCY OBSERVATIONS ; X-RAY ; 3C 66A ; POLARIMETRY ; BLAZARS ; RADIO ; POLARIZATION
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6868
Collection星系研究组
Corresponding AuthorFan, JH
Affiliation1.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
Recommended Citation
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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