Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aj....107.2148d&link_type=abstract
The Astronomical Journal (ISSN 0004-6256), vol. 107, no. 6, p. 2148-2152
Astronomy and Astrophysics
Astronomy
8
Carbon Monoxide, Infrared Astronomy Satellite, Molecular Clouds, Molecular Flow, Astronomical Spectroscopy, Infrared Sources (Astronomy)
Scientific paper
(12)CO (J = 1 - 0) and (13)CO (J = 1 - 0) observations are carried out toward a protostellar candidate, IRAS 22134+5834, using the new 4 m millimeter telescope at Nagoya University. A molecular cloud is found around the IRAS point source, of which molecular mass is estimated to be approximately 70 solar mass. Both of the (12)CO and (13)CO distributions show a good spatial correlation with the IRAS point source, indicating that the cloud is likely to be associated with the IRAS source. A molecular outflow is discovered at the position of the IRAS point source. Physical properties such as the mass and the momentum of the outflow are derived. The momentum of the outflow is compared with that of the molecular cloud. Results of the comparison imply that the outflow is likely supplying momentum large enough to prevent the cloud from collapsing.
Dobashi Kazuhito
Fukui Yasuo
Hayashi Yoshikazu
Nozawa Satonori
Sato Fumio
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