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Performances of the CAT imaging telescope and some preliminary results on Mkn 180 and the Crab - Towards a Major Atmospheric Cherenkov Detector V

Abstract : The CAT imaging telesope, which uses the Atmospheric Cherenkov Technique to observe TeV gamma-ray sources, has been operating since September 1996. Located in southern France, it features a fine grained camera consisting of 546 PMT with a pixel size of 0.12 degrees. Strong gamma-ray signals from Mkn 501 above 200 GeV were detected during observations made in April 1997. The high signal/noise ratio for these data enables direct characterization of the gamma-ray images as recorded in the camera. These results are used to validate the Monte-Carlo simulations of the response of the telescope to gamma-ray showers and to improve its performances. Observational results on Mkn 180 and the Crab nebula spectrum are presented.
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http://hal.in2p3.fr/in2p3-00013320
Contributor : Jean-Michel Levy <>
Submitted on : Wednesday, December 22, 1999 - 3:58:51 PM
Last modification on : Thursday, January 7, 2021 - 5:56:02 PM

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A. Barrau, R. Bazer-Bachi, H. Cabot, L M. Chounet, G. Debiais, et al.. Performances of the CAT imaging telescope and some preliminary results on Mkn 180 and the Crab - Towards a Major Atmospheric Cherenkov Detector V. Kruger Park international workshop on TeV Gamma-Ray Astrophysics, Aug 1997, Kruger Park, South Africa. pp.1-6. ⟨in2p3-00013320⟩

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