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Title:
AGILE and γ-ray blazars: the Crazy Diamond and other gems
Authors:
Vercellone, S.; Donnarumma, I.; Bulgarelli, A.; Chen, A. W.; D'Ammando, F.; Giuliani, A.; Longo, F.; Pacciani, L.; Pucella, G.; Tavani, M.; Vittorini, V.
Affiliation:
AA(INAF/IASF Milano, Via Bassini 15, 20133 Milano, Italy), AB(INAF/IASF Roma, Via Fosso del Cavaliere 100, 00133 Roma, Italy), AC(INAF/IASF Bologna, Via Gobetti 101, 40129 Bologna, Italy), AD(CIFS-Torino, Viale Settimio Severo 3, 10133 Torino, Italy; INAF/IASF Milano, Via Bassini 15, 20133 Milano, Italy), AE(INAF/IASF Roma, Via Fosso del Cavaliere 100, 00133 Roma, Italy; Dip. di Fisica, Univ. ``Tor Vergata,'' Via della Ricerca Scientifica 1, 00133 Roma, Italy), AF(INAF/IASF Milano, Via Bassini 15, 20133 Milano, Italy), AG(Dip. di Fisica and INFN, Via Valerio 2, 34127 Trieste, Italy), AH(INAF/IASF Roma, Via Fosso del Cavaliere 100, 00133 Roma, Italy), AI(INAF/IASF Roma, Via Fosso del Cavaliere 100, 00133 Roma, Italy), AJ(INAF/IASF Roma, Via Fosso del Cavaliere 100, 00133 Roma, Italy; Dip. di Fisica, Univ. ``Tor Vergata,'' Via della Ricerca Scientifica 1, 00133 Roma, Italy), AK(INAF/IASF Roma, Via Fosso del Cavaliere 100, 00133 Roma, Italy)
Publication:
HIGH ENERGY GAMMA-RAY ASTRONOMY: Proceedings of the 4th International Meeting on High Energy Gamma-Ray Astronomy. AIP Conference Proceedings, Volume 1085, pp. 443-446 (2008). (AIPC Homepage)
Publication Date:
12/2008
Origin:
AIP
PACS Keywords:
gamma-ray sources; gamma-ray bursts, Quasars, Radio galaxies
DOI:
10.1063/1.3076703
Bibliographic Code:
2008AIPC.1085..443V

Abstract

We present AGILE results on gamma-ray blazars. During the first year of observations, AGILE detected seven blazars at high significance: 3C 279, 3C 454.3, PKS 1510-089, S5 0716+714, 3C 273, MKN 421, and W Comae. We obtained long-term coverage of the crazy diamond 3C 454.3, for a total of about 3 months at energies above 100 MeV. 3C 273 was the first blazar detected simultaneously by the AGILE gamma-ray detector and by its hard X-ray monitor. S5 0716+714, an intermediate BL Lac object, exhibited a very fast and intense gamma-ray transient during an optical high-state phase, while MKN 421 and W Comae where detected during an AGILE target of opportunity repointing. Thanks to the rapid dissemination of our alerts, we were able to obtain multi-wavelength ToO data from other observatories such as Spitzer, Swift, INTEGRAL, RXTE, Suzaku, MAGIC, VERITAS, as well as optical coverage by means of the WEBT Consortium and REM.
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