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Title: Performance of the MAGIC stereo system obtained with Crab Nebula data
Author: Cañellas, A.
Moldón Vara, Francisco Javier
Munar i Adrover, Pere
Paredes i Poy, Josep Maria
Ribó Gomis, Marc
Keywords: Astronomia de raigs gamma
Estels de neutrons
Gamma ray astronomy
Neutron stars
Issue Date: Feb-2012
Publisher: Elsevier B.V.
Abstract: MAGIC is a system of two Imaging Atmospheric Cherenkov Telescopes located in the Canary island of La Palma. Since autumn 2009 both telescopes have been working together in stereoscopic mode, providing a significant improvement with respect to the previous single-telescope observations. We use observations of the Crab Nebula taken at low zenith angles to assess the performance of the MAGIC stereo system. The trigger threshold of the MAGIC telescopes is 50-60 GeV. Advanced stereo analysis techniques allow MAGIC to achieve a sensitivity as good as (0.76 +/- 0.03)% of the Crab Nebula flux in 50 h of observations above 290 GeV. The angular resolution at those energies is better than ~0.07 degree. We also perform a detailed study of possible systematic effects which may influence the analysis of the data taken with the MAGIC telescopes.
Note: Versió postprint del document publicat a:
It is part of: Astroparticle Physics, 2012, vol. 35, num. 7, p. 435-448
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ISSN: 0927-6505
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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