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Pregled bibliografske jedinice broj: 716982

Časopis

Autori: Aleksić, Jelena; ...; Babić, Ana; ...; Dominis Prester, Dijana; ...; Godinović, Nikola; ...; Hrupec, Dario; ...; Lelas, Damir; ...; Puljak, Ivica; ...; Šnidarić, Iva; ...; Terzić, Tomislav; ...; Zanin, R.
Naslov: The major upgrade of the MAGIC telescopes, Part II : The achieved physics performance using the Crab Nebula observations
Izvornik: Astroparticle physics (0927-6505) 72 (2016); 76-94
Vrsta rada: članak
Ključne riječi: Gamma-ray astronomy; Cherenkov telescopes; Crab Nebula
Sažetak:
MAGIC is a system of two Imaging Atmospheric Cherenkov Telescopes located in the Canary island of La Palma, Spain. During summer 2011 and 2012 it underwent a series of upgrades, involving the exchange of the MAGIC-I camera and its trigger system, as well as the upgrade of the readout system of both telescopes. We use observations of the Crab Nebula taken at low and medium zenith angles to assess the key performance parameters of the MAGIC stereo system. For low zenith observations the trigger threshold of the MAGIC telescopes is ∼ 50 GeV. The integral sensitivity for sources with Crab Nebula-like spectrum above 220 GeV is (0.66 +- 0.03)% of Crab Nebula flux in 50 h of observations. The angular resolution at those energies is about 0.07 degree, while the energy resolution is 16%. We also re-evaluate the effect of the systematic uncertainty on the data taken with the MAGIC telescopes after the upgrade. We estimate that the systematic uncertainties can be divided in following components: < 15% in energy scale, 11-18% in flux normalization and +-0.15 for the energy spectrum power-law slope.
Projekt / tema: HRZZ-09/176
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: 716982.majorupgradePartII_v3.pdf (tekst priložen 27. Kol. 2015. u 11:03 sati)
URL Internet adrese: http://arxiv.org/abs/1409.5594v3
http://www.sciencedirect.com/science/article/pii/S0927650515000316
Broj citata:
Altmetric:
DOI: 10.1016/j.astropartphys.2015.02.005
URL cjelovitog teksta:
Google Scholar: The major upgrade of the MAGIC telescopes, Part II : The achieved physics performance using the Crab Nebula observations
Upisao u CROSBI: Dario Hrupec (Dario.Hrupec@irb.hr), 24. Ruj. 2014. u 17:43 sati



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