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4.13. A high velocity molecular cloud near the center of the Galaxy

Published online by Cambridge University Press:  25 May 2016

Tomoharu Oka ,
Tetsuo Hasegawa ,
Glenn J. White ,
Fumio Sato ,
Masato Tsuboi  and
Atsushi Miyazaki
Tomoharu Oka
Affiliation:
Cosmic Radiation Laboratory The Institute of Physical and Chemical Research (RIKEN), Hirosawa 2-1, Wako, Saitama 351-01, Japan
Tetsuo Hasegawa
Affiliation:
Institute of Astronomy, Faculty of Science, The University of Tokyo, Osawa 2-21-1, Mitaka, Tokyo 181, Japan
Glenn J. White
Affiliation:
Physics Department, Queen Mary & Westfield College, The University of London, Mile End Road, London E1 4NS, U.K.
Fumio Sato
Affiliation:
Department of Astronomy and Earth Sciences, Tokyo Gakugei University Nukuikitamachi, 4-1-1, Koganei, Tokyo 184, Japan
Masato Tsuboi
Affiliation:
Institute of Astrophysics and Planetary Sciences, Ibaraki University, Bunkyo 2-1-1, Mito, Ibaraki 310, Japan
Atsushi Miyazaki
Affiliation:
Institute of Astrophysics and Planetary Sciences, Ibaraki University, Bunkyo 2-1-1, Mito, Ibaraki 310, Japan

Extract

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Molecular clouds in the Galactic center region are characterised by their large velocity widths and physical conditions which differ from clouds in the Galactic disk (e.g., Morris 1996). These clouds may not be gravitationally bound, but in equilibrium with the high external pressure in the Galactic bulge (Spergel & Blitz 1992, Oka et al. 1997a).

Type
Part II. Nuclear Interstellar Medium
Information
Symposium - International Astronomical Union , Volume 184: The Central Regions of the Galaxy and Galaxies , 1998 , pp. 193 - 194
Copyright
Copyright © Kluwer 1998 

References

Hasegawa, T., Oka, T. Sato, F., Tsuboi, M., and Miyazaki, A. 1997, in these proceedings.Google Scholar
Morris, M. 1996, in IAU Symp. 169, Unsolved Problems of the Milky Way, eds. Blitz, L. & Teuben, P., (Dordrecht: Kluwer), 247.Google Scholar
Oka, T., Hasegawa, T., Sato, F., Tsuboi, M., and Miyazaki, A. 1997a, ApJ in press.Google Scholar
Oka, T., Hasegawa, T., Sato, F., Tsuboi, M., and Miyazaki, A. 1997b, ApJS submitted.Google Scholar
Oka, T. et al. 1997c, in preparation.Google Scholar
Yusef-Zadeh, F., Morris, M., & Chance, D. 1984, Nature, 310, 557.Google Scholar