Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-05-23
Astropart.Phys.15:1-18,2001
Astronomy and Astrophysics
Astrophysics
24 pages, 16 figures, accepted for publication in Astroparticle Physics May 11, 2000
Scientific paper
10.1016/S0927-6505(00)00133-X
We present a method of atmospheric Cherenkov imaging which reconstructs the unique arrival direction of TeV gamma rays using a single telescope. The method is derived empirically and utilizes several features of gamma-ray induced air showers which determine, to a precision of 0.12 degrees, the arrival direction of photons, on an event-by-event basis. Data from the Whipple Observatory's 10 m gamma-ray telescope is utilized to test selection methods based on source location. The results compare these selection methods with traditional techniques and three different camera fields of view. The method will be discussed in the context of a search for a gamma-ray signal from a point source located anywhere within the field of view and from regions of extended emission.
Bohec S. Le
Buckley James H.
Connaughton Valerie V.
Lessard Rodney W.
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