Enomoto, R; Kushida, J; Nakamori, T; Kifune, T; Bicknell, Geoffrey; Clay, Roger W; Edwards, P G; Gunji, S; Hara, S; Hara, T; Hattori, T; Hayashi, S
Observation by the CANGAROO-III stereoscopic system of the Imaging Cherenkov Telescope has detected extended emission of TeV gamma rays in the vicinity of the pulsar PSR B1706-44. The strength of the signal observed as gamma-ray-like events varies when we apply different ways of emulating background events. The reason for such uncertainties is argued in relevance to gamma rays embedded in the "OFF-source data," that is, unknown sources and diffuse emission in the Galactic plane, namely, the...[Show more]
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