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Concept of an all-directional high-energy cosmic gamma ray telescope

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Abstract

Point sources in the region of hard gamma rays 30 MeV-10 GeV were identified with single young pulsars, like Crab; transient gamma ray sources and bright quasars. The main problem in this region is the small number of the photons, registrated from the source. In order to overcome this problem the new construction of a gamma telescope is proposed, which registers quanta from all directions simultaneously. In this way it is possible to increase the sensitivity by more than an order of magnitude with the same size and smaller weight, in comparison with EGRET. Analyses have shown, that such a telescope must stay without the calorimeter, what reduces its spectral resolution. The estimated number of point sources which could be discovered by such a telescope could approach one thousand. Results of Monte Carlo simulations are presented.

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Authors and Affiliations

  1. Space Research Institute, Moscow, Russia

    G. S. Bisnovatyi-Kogan & N. G. Leikov

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  1. G. S. Bisnovatyi-Kogan
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  2. N. G. Leikov
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Bisnovatyi-Kogan, G.S., Leikov, N.G. Concept of an all-directional high-energy cosmic gamma ray telescope. Astrophys Space Sci 204, 181–189 (1993). https://doi.org/10.1007/BF00658022

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  • DOI: https://doi.org/10.1007/BF00658022

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