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A new activity phase of the blazar 3C 454.3. Multifrequency observations by the WEBT and XMM-Newton in 2007-2008
C. M. Raiteri, M. Villata, V. M. Larionov +2
We present and analyse the WEBT multifrequency observations of 3C 454.3 in the 2007-2008 observing season, including XMM-Newton observations and near-IR spectroscopic monitoring, a…
The Outburst of the Blazar AO 0235+164 in 2006 December: Shock-in-Jet Interpretation
V. A. Hagen-Thorn, V. M. Larionov, S. G. Jorstad +5
We present the results of polarimetric ( band) and multicolor photometric () observations of the blazar AO 0235+16 during an outburst in 2006 December. The data reveal…
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…