The radio delay of the exceptional 3C 454.3 outburst. Follow-up WEBT observations in 2005-2006

M. Villata, C. M. Raiteri, M. F. Aller

In spring 2005 the blazar 3C 454.3 was observed in an unprecedented bright state from the near-IR to the hard X-ray frequencies. A mm outburst peaked in June-July 2005, and it was…