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Pregled bibliografske jedinice broj: 523496

Časopis

Autori: Aleksić, Jelena; ...; Dominis Prester, Dijana; ...; Ferenc, Daniel; ...; Godinović, Nikola; ...; Hrupec, Dario; ...; Lelas, Damir; ...; Puljak, Ivica; ...; Surić, Tihomir; ...; Šnidarić, Iva; ...; Terzić, Tomislav; ...; Buson, S.
Naslov: Discovery of VHE gamma-ray emission from the BL Lac object B3 2247+381 with the MAGIC telescopes
Izvornik: Astronomy & Astrophysics (0004-6361) 539 (2012); A118-1-A118-6
Vrsta rada: članak
Ključne riječi: BL Lac objects: individual(B3 2247+381); galaxies:active; gamma rays
Sažetak:
We study the non-thermal jet emission of the BL Lac object B3 2247+381 during a high optical state. The MAGIC telescopes observed the source during 13 nights between September 30th and October 30th 2010, collecting a total of 14.2 hours of good quality very high energy (VHE) gamma-ray data. Simultaneous multiwavelength data was obtained with X-ray observations by the Swift satellite and optical R-band observations at the KVA-telescope. We also use high energy gamma-ray (HE, 0.1 GeV-100 GeV) data from the Fermi satellite. The BL Lac object B3 2247+381 (z=0.119) was detected, for the first time, at VHE gamma-rays at a statistical significance of 5.6 sigma. A soft VHE spectrum with a photon index of -3.2 +- 0.6 was determined. No significant short term flux variations were found. We model the spectral energy distribution using a one-zone SSC-model, which can successfully describe our data.
Projekt / tema: 098-0982931-2875, HRZZ-02.01/12
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Kategorija: Znanstveni
Znanstvena područja:
Fizika
Puni text rada: 523496.B32247381v1.pdf
URL Internet adrese: http://fulir.irb.hr/1652/
http://www.aanda.org/index.php?option=com_article&access=standard&Itemid=129&url=/articles/aa/abs/2012/03/aa17967-11/aa17967-11.html
http://arxiv.org/abs/1201.2634v1
Broj citata:
Altmetric:
DOI: 10.1051/0004-6361/201117967
URL cjelovitog teksta: http://fulir.irb.hr/1652/
Google Scholar: Discovery of VHE gamma-ray emission from the BL Lac object B3 2247+381 with the MAGIC telescopes
Upisao u CROSBI: dhrupec@irb.hr (dhrupec@irb.hr), 30. Kol. 2011. u 09:43 sati



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