CANGAROO III observations of the supernova remnant RX J0852.0-4622

R. Enomoto*, S. Watanabe, T. Tanimori, A. Asahara, G. V. Bicknell, R. W. Clay, P. G. Edwards, S. Gunji, S. Hara, T. Hattori, S. Hayashi, Y. Higashi, R. Inoue, C. Itoh, S. Kabuki, F. Kajino, H. Katagiri, A. Kawachi, S. Kawasaki, T. KifuneR. Kiuchi, K. Konno, L. Ksenofontov, H. Kubo, J. Kushida, Y. Matsubara, T. Mizukami, R. Mizuniwa, M. Mori, H. Muraishi, T. Naito, T. Nakamori, D. Nishida, K. Nishijima, M. Ohishi, Y. Sakamoto, V. Stamatescu, S. Suzuki, T. Suzuki, D. L. Swaby, H. Tanimura, G. Thornton, F. Tokanai, K. Tsuchiya, Y. Yamada, M. Yamazaki, S. Yanagita, T. Yoshida, T. Yoshikoshi, M. Yuasa, Y. Yukawa

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    44 Citations (Scopus)

    Abstract

    Sub-TeV gamma-ray emission from the northwest rim of the supernova remnant RX J0852.0-4622 was detected with the CANGAROO II telescope and recently confirmed by the HESS group. In addition, the HESS data revealed a very wide (up to 2° in diameter), shell-like profile of the gamma-ray emission. We carried out CANGAROO III observations in 2005 January and February with three telescopes and show here the results of threefold coincidence data. We confirm the HESS results about the morphology and the energy spectrum and find that the energy spectrum in the NW rim is consistent with that of the whole remnant.

    Original languageEnglish
    Pages (from-to)1268-1276
    Number of pages9
    JournalAstrophysical Journal
    Volume652
    Issue number2 I
    DOIs
    Publication statusPublished - 1 Dec 2006

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