Multi-wavelength and Long-term Gamma-ray Monitoring of the Blazar 3C 454.3

Details Multi-wavelength and Long-term Gamma-ray Monitoring of the Blazar 3C 454.3 Multi-wavelength and Long-term Gamma-ray Monitoring of the Blazar 3C 454.3

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010head...11.3310v&link_type=abstract

American Astronomical Society, HEAD meeting #11, #33.10; Bulletin of the American Astronomical Society, Vol. 41, p.707

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Scientific paper

The AGILE gamma-ray satellite and several other space and ground based observatories monitored the activity of the flat-spectrum radio quasar 3C 454.3 during the period July 2007 - January 2009, yielding the longest multi-wavelength coverage of this gamma-ray quasar so far.
The source underwent an unprecedented period of very high activity above 100 MeV, reaching gamma-ray flux levels on a day time scale higher than F=500E-8 ph/cm2/s, simultaneously with an extremely variable behavior in the optical R-band, even of the order of several tenth of magnitude in few hours.
We present the results of this long term multi-wavelength monitoring campaign, with particular emphasis on the study of possible lags among the different wavebands, the interplay between the radio and the gamma-ray energy bands, and the results of the modeling of simultaneous spectral energy distributions at different levels of activity.

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