M
Masatoshi Ohishi
Researcher at Graduate University for Advanced Studies
Publications - 203
Citations - 6613
Masatoshi Ohishi is an academic researcher from Graduate University for Advanced Studies. The author has contributed to research in topics: Virtual observatory & Telescope. The author has an hindex of 45, co-authored 202 publications receiving 6209 citations. Previous affiliations of Masatoshi Ohishi include University of Fukui & University of Toyama.
Papers
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Journal ArticleDOI
A survey of CCS, HC3N, HC5N, and NH3 toward dark cloud cores and their production chemistry
Hiroko Suzuki,Satoshi Yamamoto,Masatoshi Ohishi,Norio Kaifu,Shin-Ichi Ishikawa,Yasuhiro Hirahara,Shuro Takano +6 more
TL;DR: In this paper, the existence of a systematic relation between the chemical evolution and the physical evolution of dark clouds was examined in 49 dark cloud cores to examine the existence and relationship between the two.
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A Three-Position Spectral Line Survey of Sagittarius B2 between 218 and 263 GHZ. II. Data Analysis
A. Nummelin,Per Bergman,Åke Hjalmarson,Per Friberg,William M. Irvine,Tom J. Millar,Masatoshi Ohishi,Shuji Saito +7 more
TL;DR: In this paper, the authors presented an analysis of the data from the Swedish-ESO Submillimetre Telescope molecular line survey in the 1.3 mm band of the N, M, and NW positions in the Sgr B2 molecular cloud.
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Abundances of HCN and HNC in dark cloud cores
TL;DR: In this article, the abundances of HCN and HNC toward 19 nearby dark cloud cores by observations of optically thin H13CN and HN13C (J = 1-0) lines were determined.
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The acceleration of cosmic-ray protons in the supernova remnant RX J1713.7–3946
Ryoji Enomoto,Toru Tanimori,Tsuguya Naito,Teruhiko Yoshida,Shohei Yanagita,Masaki Mori,P. G. Edwards,A. Asahara,Geoffrey V. Bicknell,Shuichi Gunji,Shinji Hara,T. Hara,S. Hayashi,C. Itoh,S. Kabuki,F. Kajino,Hideaki Katagiri,Jun Kataoka,A. Kawachi,Tadashi Kifune,Hidetoshi Kubo,J. Kushida,S. Maeda,A. Maeshiro,Yutaka Matsubara,Yoshihiko Mizumoto,M. Moriya,H. Muraishi,Yasushi Muraki,T. Nakase,Kyoshi Nishijima,Masatoshi Ohishi,Ko Okumura,J. R. Patterson,K. Sakurazawa,Ryo Suzuki,D. L. Swaby,K. Takano,T. Takano,Fuyuki Tokanai,K. Tsuchiya,H. Tsunoo,K. Uruma,A. Watanabe,Takanori Yoshikoshi +44 more
TL;DR: The observation of cascade showers of optical photons resulting from γ-rays at energies of ∼1012 eV hitting Earth's upper atmosphere, in the direction of the supernova remnant RX J1713, is reported, which is a good match to that predicted by pion decay, and cannot be explained by other mechanisms.
Journal ArticleDOI
A 8.8-50 GHz Complete Spectral Line Survey toward TMC-1: I. Survey Data.
Norio Kaifu,Masatoshi Ohishi,Kentarou Kawaguchi,Shuji Saito,Satoshi Yamamoto,Takeshi Miyaji,Keisuke Miyazawa,Shin-Ichi Ishikawa,Chiaki Noumaru,Sumiko Harasawa,Michiko Okuda,Hiroko Suzuki +11 more
TL;DR: The first spectral line survey toward a cold, dark cloud TMC-1 (cyanopolyyne peak) in a frequency range between 8.8 and 50.0 GHz by the 45m radio telescope of Nobeyama Radio Observatory was reported in this article.