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SiO (J=2-1) Observations of W49A with NMA: Evidence of Infall Motion toward Massive Core

Published online by Cambridge University Press:  12 April 2016

Ryosuke Miyawaki ,
Masahiko Hayashi  and
Tetsuo Hasegawa
Ryosuke Miyawaki
Affiliation:
Department of Science Education, Fukuoka University of Education, Munakata, Fukuoka, 811-41, Japan
Masahiko Hayashi
Affiliation:
Department of Astronomy, Faculty of Science, The University of Tokyo, Bunkyo-ku, Tokyo, 113, Japan
Tetsuo Hasegawa
Affiliation:
Institute of Astronomy, Faculty of Science, The University of Tokyo, Mitaka, Tokyo, 181, Japan

Abstract

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We observed W49A with NMA. We found rotational infall motion toward massive core. The rotational velocity and the infall velocity are 2±1 km s−1 /pc and 5±2 km s−1, respectively.

Type
3. Astronomical Results and Prospects
Information
International Astronomical Union Colloquium , Volume 140: Astronomy with Millimeter and Submillimeter Wave Interferometry , 1994 , pp. 251 - 252
Copyright
Copyright © Astronomical Society of the Pacific 1994

References

Dowries, D. et al. 1982, APJL, 252, L29.Google Scholar
Miyawaki, R. et al. 1992a in preparation.Google Scholar
Dreher, J.W. et al. 1984, APJ, 230, 768.Google Scholar
Miyawaki, R. et al. 1992b in preparation.Google Scholar
Haschick, A.D. et al. 1990, APJ, 352, 630.CrossRefGoogle Scholar
Scoville, N.Z. et al. 1986, APJ, 303, 416.Google Scholar
Hasegawa, T. et al. 1992, APJL, submitted.Google Scholar
Welch, W.J. et al. 1987, Science, 238, 1550.Google Scholar
Iglesias, E.R. et al., 1978, APJ, 226, 851.Google Scholar