Abstract
Gamma ray sources observation with the ARGO-YBJ detector
Highlights
ARGO-YBJ is a full-coverage air shower array, located at the Yangbajing Cosmic Ray Laboratory (Tibet, China, 4300 m a.s.l.)
In this paper we report on the observations of two bright gamma ray sources, performed during ∼ 2 years: the blazar Mrk421 and the extended galactic source MGROJ1908+06
The ARGO-YBJ detector is composed by a central carpet large ∼ 74 × 78 m2, made of a single layer of Resistive Plate Chambers (RPCs) with ∼ 92% of active area, sorrounded by a partially (∼ 20%) instrumented area up to ∼ 100 × 110 m2
Summary
ARGO-YBJ is a full-coverage air shower array, located at the Yangbajing Cosmic Ray Laboratory (Tibet, China, 4300 m a.s.l.). The study of gamma ray sources with energies above a few hundred GeVs is one of the main purposes of the experiment. The large field of view (∼ 2 sr) and the high duty cycle allow a continuous monitoring of the sky in the declination band from −0◦ to 70◦. In this paper we report on the observations of two bright gamma ray sources, performed during ∼ 2 years: the blazar Mrk421 and the extended galactic source MGROJ1908+06
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