Infrared variability properties of the blazar 3C 279

被引：32

作者：

Fan, JH ^{[1
]}

机构：

[1] Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China

[2] Guangzhou Normal Univ, Ctr Astrophys, Guangzhou 510400, Peoples R China

[3] Chinese Acad Sci, Natl Astron Observ, Beijing 100864, Peoples R China

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1999年 / 308卷 / 04期

关键词：

galaxies : active; quasars : individual : 3C 279; infrared : galaxies;

D O I：

10.1046/j.1365-8711.1999.02767.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The long-term (about 27 years) near-infrared K light curve is constructed from the published literature for the blazar 3C 279. The Jurkevich method is adopted to analyse the periodicity, and a strong 7.1 +/- 0.44 yr period is found, suggesting that the next near-infrared outburst will occur in 2002/03. The correlation between colour index (spectral index) and magnitude is discussed, and a significant correlation between (J - H) and K is found with a correlation coefficient r = 0.72 (p = 2.0 x 10(-10)), which is consistent with Brown et al.'s proposal.

引用

页码：1032 / 1036

页数：5

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