The new metagalactic source of gamma-quanta with energy >1012 eV

Details The new metagalactic source of gamma-quanta with energy >1012 eV The new metagalactic source of gamma-quanta with energy >1012 eV

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..515..293s&link_type=abstract

GeV-TeV GAMMA RAY ASTROPHYSICS WORKSHOP: Towards a Major Atmospheric Cherenkov Detector VI. AIP Conference Proceedings, Volume

Astronomy and Astrophysics

Astrophysics

3

Gamma-Ray Sources, Gamma-Ray Bursts, Active And Peculiar Galaxies And Related Systems, Gamma-Ray

Scientific paper

Observatory SHALON ALATOO has just announced the TeV discovered of NGC 1275. The TeV catalogue of extragalactic sources contains three objects investigated by the SHALON-ALATOO Observatory at energy above 0.8 TeV: Markarian 421, Markarian 501 and NGC 1275, which was detected in TeV energy range by the observation on the telescope SHALON-1. The flux appears to be about that of the Crab Nebula (the intensity of Active Galactic Nucleus NGC 1275 at energy above 0.8 TeV with the flux (1.10+/-0.40).10-12 cm-2s-1). Results obtained with the Mirror Cherenkov telescope SHALON-1 (mirror area more than 11 m2) point out that the Active Galactic Nuclei are main sources of gamma-quanta and probably cosmic rays of the high energy. .

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