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CANGAROO-III Observation of TeV Gamma Rays from the Unidentified Gamma-Ray Source HESS J1614-518

Mizukami, T; Kubo, H; Yoshida, T; Nakamori, T; Enomoto, R; Tanimori, T; Akimoto, M; Bicknell, Geoffrey; Clay, Roger W; Edwards, P G; Gunji, S; Hara, S

Description

We report the detection, with the CANGAROO-III imaging atmospheric Cherenkov telescope array, of a very high energy gamma-ray signal from the unidentified gamma-ray source HESS J1614-518, which was discovered in the H.E.S.S. Galactic plane survey. Diffuse gamma-ray emission was detected above 760GeV at the 8.9σ level during an effective exposure of 54hr from 2008 May to August. The spectrum can be represented by a power law: (8.2 ± 2.2stat ±2.5sys) × 10-12 × (E/1 TeV)-γcm-2s-1 TeV-1 with a...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
URI: http://hdl.handle.net/1885/39251
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/740/2/78

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