First Detection of Time Lags Between Variations of Blazar S5~0716+714 in Different Optical Wavelengths

Details First Detection of Time Lags Between Variations of Blazar S5~0716+714 in Different Optical Wavelengths First Detection of Time Lags Between Variations of Blazar S5~0716+714 in Different Optical Wavelengths

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..408..278w&link_type=abstract

The Starburst-AGN Connection. ASP Conference Series, Vol. 408, proceedings of the conference held 27-31 October 2008, at Shangha

Astronomy and Astrophysics

Astronomy

2

Scientific paper

We used a novel photometric system to monitor the blazar S5~0716 + 714 simultaneously in there optical wavelengths for seven nights in 2006 December. The object was relatively quiescent in this period with no strong internight variations, but showed clear intranight variations. Cross correlation analysis of the light curves in different wavelengths revealed a time lag between them with a high confidence level. This time lag has been predicted in the internal shock model for the variability of blazar, but has only been observed in X- and EUV/UV wavelengths before.

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