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Results of WEBT, VLBA and RXTE monitoring of 3C 279 during 2006-2007
V. M. Larionov, S. G. Jorstad, A. P. Marscher +2
We present radio-to-optical data taken by the WEBT, supplemented by VLBA and RXTE observations, of 3C 279. Our goal is to use this extensive database to draw inferences regarding t…
Roma-BZCAT: A multifrequency catalogue of Blazars
E. Massaro, P. Giommi, C. Leto +5
We present a new catalogue of blazars based on multi-frequency surveys and on an extensive review of the literature. Blazars are classified as BL Lacertae objects, as flat spectrum…
Multiwavelength observations of 3C 454.3. I. The AGILE 2007 November campaign on the "Crazy Diamond"
S. Vercellone, A. W. Chen, V. Vittorini +68
[Abridged] We report on a multiwavelength observation of the blazar 3C 454.3 (which we dubbed "crazy diamond") carried out on November 2007 by means of the astrophysical satellites…
Long-term AGILE monitoring of the puzzling gamma-ray source 3EG J1835+5918
A. Bulgarelli, M. Tavani, P. Caraveo +54
We present the AGILE gamma-ray observations of the field containing the puzzling gamma-ray source 3EG J1835+5918. This source is one of the most remarkable unidentified EGRET sourc…
AGILE and Swift simultaneous observations of the blazar S50716+714 during the bright flare of October 2007
P. Giommi, S. Colafrancesco, S. Cutini +15
We present the results of a series of optical, UV, X-ray and gamma-ray observations of the BL Lac object S50716+714 carried out by the Swift and AGILE satellites in late 2007 when…
The Swift X-Ray Telescope: Status and Performance
David N. Burrows, J. A. Kennea, A. F. Abbey +23
We present science highlights and performance from the Swift X-ray Telescope (XRT), which was launched on November 20, 2004. The XRT covers the 0.2-10 keV band, and spends most of…