Detection of Gamma-rays around 1TeV from RX J0852.0-4622 by CANGAROO-II

Adachi, Y; Asahara, A; Bicknell, Geoffrey; Clay, Roger W; Doi, Y; Edwards, Philip G; Enomoto, R; Gunji, S; Hara, Shinji; Hara, T; Hattori, T; Hayashi, Sei; Itoh, Chie; Kabuki, S; Kajino, F; Katagiri, H; Kawachi, A; Kifune, Tadashi; Kiuchi, R; Ksenofontov, L; Kubo, H; Kurihara, T; Kurosaka, R; Kushida, J; Matsubara, Y; Miyashita, Y; Mizumoto, Y; Mori, Masaki; Muraishi, H; Muraki, Y; Naito, T; Nakamori, T; Nakase, T; Nishida, D; Nishijima, K; Ohishi, M; Okumura, K; Patterson, Joseph R; Protheroe, Raymond; Sakamoto, N; Sakamoto, Y; Swaby, D L; Tanimori, T; Tanimura, H; Thornton, G J; Tsuchiya, K; Watanabe, S; Yamaoka, T; Yanagita, S; Yoshida, T; Yoshikoshi, T

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Detection of Gamma-rays around 1TeV from RX J0852.0-4622 by CANGAROO-II

Authors: Y Adachi
A Asahara
Geoffrey Bicknell
Roger W Clay
Y Doi
Philip G Edwards
R Enomoto
S Gunji
Shinji Hara
T Hara
T Hattori
Sei Hayashi
Chie Itoh
S Kabuki
F Kajino
H Katagiri
A Kawachi
Tadashi Kifune
R Kiuchi
L Ksenofontov
H Kubo
T Kurihara
R Kurosaka
J Kushida
Y Matsubara
Y Miyashita
Y Mizumoto
Masaki Mori
H Muraishi
Y Muraki
T Naito
T Nakamori
T Nakase
D Nishida
K Nishijima
M Ohishi
K Okumura
Joseph R Patterson
Raymond Protheroe
N Sakamoto
Y Sakamoto
D L Swaby
T Tanimori
H Tanimura
G J Thornton
K Tsuchiya
S Watanabe
T Yamaoka
S Yanagita
T Yoshida
T Yoshikoshi
Publication date: 1 January 2005
Publisher: 'University of Chicago Press'
Doi

Abstract

We have detected gamma-ray emission at the 6sigma level at energies greater than 500GeV from the supernova remnant RX J0852.0-4622 (G266.2-1.2) using the CANGAROO-II Imaging Atmospheric Cherenkov Telescope (IACT). The flux was 0.12 times of that of Crab at 1TeV. The signal centroid is consistent with the peak of the X-ray emission in the north-west rim of the remnant.Comment: 12pages, 4figures, to be published in ApJ

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