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Pregled bibliografske jedinice broj: 631244

Ostalo

Autori: Aleksić, Jelena; ...; Dominis Prester, Dijana; ...; Ferenc, Daniel; ...; Godinović, Nikola; ...; Hrupec, Dario; ...; Lelas, Damir; ...; Puljak, Ivica; ...; Surić, Tihomir; ...; Šnidarić, Iva; ...; Terzić, Tomislav; ...
Naslov: MAGIC detects VHE gamma-ray emission from IC 310
Izvornik: The Astronomer's Telegram, #2510
Vrsta: opažanje
Godina: 2010
Ključne riječi: Gamma Ray; >GeV; AGN
Sažetak:
The MAGIC Collaboration reports the discovery of VHE (E >100 GeV) emission from the new source MAGIC J0317+413. The source was in the field of view of the MAGIC telescopes between October 2009 and February 2010. The emission position is consistent with the head-tail radio galaxy IC310 (z=0.0189, RA: 03 16 43.0 Dec: +41 19 29, J2000) located in the outer region of the Perseus cluster of galaxies (Abell 426). A gamma-ray signal with a significance corresponding to >6 standard deviations was obtained from 20 hours taken in stereoscopic observation mode. An analysis of 38 hours of single telescope observations performed from 2008 to 2010 has confirmed the detection at ~6 sigma significance. Preliminary analysis indicates emission at the level of ~2.5% of the Crab Nebula flux above 300 GeV. The source was also recently detected in the Fermi/LAT data (A. Neronov, D. Semikoz, Ie.Vovk arXiv:1003.4615). The MAGIC Telescope system consists of two 17m diameter Imaging Atmospheric Cherenkov Telescopes observing gamma-rays at energies above 50 GeV. Both telescopes are operating together in the stereoscopic mode since the end of 2009.
Projekt / tema: 098-0982931-2875, HRZZ-09/176
Izvorni jezik: ENG
Znanstvena područja:
Fizika
URL Internet adrese: http://www.astronomerstelegram.org/?read=2510
Upisao u CROSBI: Dario Hrupec (Dario.Hrupec@irb.hr), 30. Svi. 2013. u 15:23 sati



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