Infrared variability properties of the blazar 3C 279

Details Infrared variability properties of the blazar 3C 279 Infrared variability properties of the blazar 3C 279

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999mnras.308.1032f&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 308, Issue 4, pp. 1032-1036.

Astronomy and Astrophysics

Astronomy

24

Scientific paper

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+/-0.44yr 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=2.0x10^-10), which is consistent with Brown et al.'s proposal.

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