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Renewed gamma-ray activity of the Blazar 3C 454.3 detected by AGILE

ATel #6217; F. Verrecchia (ASDC and INAF/OAR), V. Fioretti (INAF/IASF-Bo), F. Lucarelli, C. Pittori (ASDC and INAF/OAR), A. Bulgarelli (INAF/IASF-Bo), M. Tavani (INAF/IAPS, and Univ. Roma Tor Vergata), S. Vercellone (INAF/IASF-Pa), G. Piano (INAF/IAPS), I. Donnarumma (INAF/IAPS), E. Striani (CIFS and INAF/IAPS), M. Cardillo (INAF/OA-Arcetri and INAF/IAPS), F. Gianotti, M. Trifoglio (INAF/IASF-Bo), A. Giuliani, S. Mereghetti, P. Caraveo, F. Perotti (INAF/IASF-Mi), A. Chen (Wits University and INAF/IASF-Mi), S. Colafrancesco (INAF/OAR and Wits University), E. Del Monte, Y. Evangelista, M. Feroci, F. Lazzarotto, L. Pacciani, P. Soffitta, E. Costa, I. Lapshov, M. Rapisarda, A. Argan, G. Pucella, S. Sabatini, A. Trois, V. Vittorini (INAF/IAPS), F. Fuschino, M. Galli, C. Labanti, M. Marisaldi, G. Di Cocco (INAF/IASF-Bo), A. Pellizzoni (INAF/OA-Cagliari), M. Pilia (ASTRON, the Netherlands), G. Barbiellini, E. Vallazza (INFN Trieste), F. Longo (Univ. Trieste and INFN Trieste), A. Morselli, P. Picozza (INFN and Univ. Roma Tor Vergata), M. Prest (Univ. dell'Insubria), P. Lipari, D. Zanello (INFN and Univ. Roma Sapienza), P. W. Cattaneo, A. Rappoldi (INFN Pavia), P. Giommi (ASDC), L. Salotti, and G. Valentini (ASI)
on 9 Jun 2014; 16:08 UT
Credential Certification: Francesco Verrecchia (francesco.verrecchia@asdc.asi.it)

Subjects: Gamma Ray, >GeV, AGN, Blazar, Transient

Referred to by ATel #: 6232, 6234, 6236, 6237, 6266

The AGILE satellite detects a significant enhancement in gamma-ray activity from the FSRQ 3C 454.3 (known as 1AGLR J2254+1609 and 2FGL J2253.9+1609) since the recent AGILE ATel #6182, and the following NIR flare reported by Carrasco et al. (ATel #6213).

A maximum likelihood analysis of the AGILE-GRID data for the integration period between 2014-06-07 00:00 UT and 2014-06-09 03:00 UT, gives a flux F=(6.2 +/- 1.2)x 10^-6 ph/cm^-2/s^-1 (E > 100 MeV).

This measurement was obtained with AGILE observing a large portion of the sky in spinning mode.

Multifrequency observations of the source are strongly encouraged.