Abstract

The Tibet AS𝛾 experiment located at 4300 m above sea level, Tibet, China, has a wide field of view and large effective area. It consists of the Tibet air-shower array (Tibet-AS), the air-shower core- detector array (YAC) and the underground water-Cherenkov muon-detector array (Tibet-MD). The Tibet-MD array significantly improves 𝛾-ray sensitivity in the 10-1000 TeV energy region by an order of magnitude better than any other previously existing experiments in the world. In this work we will present the catalog of TeV 𝛾-ray sources using 719 days of data from the Tibet AS experiment. The catalog represents the sensitive survey of the northern 𝛾-ray sky at energies above several tens of TeV. These ultra-high-energy 𝛾-ray sources are believed to be related to pulsars and supernova remnants.

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