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A Search for TeV Gamma Rays from SN 1987A in 2001

Enomoto, R; Ksenofontov, L; Katagiri, H; Tsuchiya, K; Asahara, A; Bicknell, Geoffrey; Clay, Roger W; Edwards, Philip G; Gunji, S; Hara, Shinji; Hara, T; Hattori, H.; Hayashi, Shin'Ichiro; Hayashi, Sei; Itoh, Chie; Kabuki, S; Kajino, F; Kawachi, A; Kifune, Tadashi; Kubo, H; Kushida, J; Matsubara, Y; Mizumoto, Y; Mori, Masaki; Moro, H; Muraishi, H; Muraki, Y; Naito, T; Nakase, T; Nishida, D; Nishijima, K; Ohishi, M; Okumura, K; Patterson, Joseph R; Protheroe, Raymond; Sakurazawa, K; Swaby, D L; Tanimori, T; Tokanai, F; Tsunoo, H; Uchida, T; Watanabe, O; Watanabe, S; Yanagita, S; Yoshida, T; Yoshikoshi, T

Description

We searched for TeV gamma rays from the remnant of SN 1987A around 5400 days after the supernova. The observations were carried out in 2001, from November 16 to December 11, using the CANGAROO-II imaging atmospheric Cerenkov telescope. In total, 708 minutes of ON- and 1019 minutes of OFF-source data were obtained under good conditions. The detection threshold was estimated to be 1 TeV, owing to the mean zenith angle of 39°. The upper limits for the gamma-ray flux were obtained and compared with...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
URI: http://hdl.handle.net/1885/87968
Source: Astrophysical Journal, The
DOI: 10.1086/376978

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