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Pregled bibliografske jedinice broj: 485387

Časopis

Autori: Aleksić, Jelena; ...; Dominis Prester, Dijana; ...; Ferenc, Daniel; ...; Godinović, Nikola; ...; Hrupec, Dario; ...; Puljak, Ivica; ...; Surić, Tihomir; ...; Terzić, Tomislav
Naslov: Observations of the Blazar 3C 66A with the MAGIC Telescopes in Stereoscopic Mode
Izvornik: The Astrophysical journal (0004-637X) 726 (2011); 58-1-58-10
Vrsta rada: članak
Ključne riječi: BL Lacertae objects: individual (3C 66A) — galaxies: active — gamma rays: galaxies
Sažetak:
We report new observations of the intermediate- frequency peaked BL Lacertae object 3C 66A with the MAGIC telescopes. The data sample we use were taken in 2009 December and 2010 January, and comprises 2.3 hr of good quality data in stereoscopic mode. In this period, we find a significant signal from the direction of the blazar 3C 66A. The new MAGIC stereoscopic system is shown to play an essential role for the separation between 3C 66A and the nearby radio galaxy 3C 66B, which is at a distance of only 6'. The derived integral flux above 100 GeV is 8.3% of the Crab Nebula flux and the energy spectrum is reproduced by a power law of photon index 3.64 ± 0.39stat ± 0.25sys. Within errors, this is compatible with the one derived by VERITAS in 2009. From the spectra corrected for absorption by the extragalactic background light, we only find small differences between the four models that we applied, and constrain the redshift of the blazar to z < 0.68.
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
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Fizika
Puni text rada: 485387.ms_3c66a_1001.pdf
URL Internet adrese: http://fulir.irb.hr/1412/
http://xxx.lanl.gov/abs/1010.0550
http://iopscience.iop.org/0004-637X/726/2/58?fromSearchPage=true
Broj citata:
Altmetric:
DOI: 10.1088/0004-637X/726/2/58
URL cjelovitog teksta: http://fulir.irb.hr/1412/
Google Scholar: Observations of the Blazar 3C 66A with the MAGIC Telescopes in Stereoscopic Mode
Upisao u CROSBI: dhrupec@irb.hr (dhrupec@irb.hr), 7. Lis. 2010. u 10:46 sati



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