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CO J = 3-2 and J = 2-1 spectroscopy and mapping of ten high velocity molecular outflow sources

Phillips, J. P.; White, G. J.; Rainey, R.; Avery, L. W.; Richardson, K. J.; Griffin, M. J.; Cronin, M. J.; Monteiro, T. and Hilton, J. (1988). CO J = 3-2 and J = 2-1 spectroscopy and mapping of ten high velocity molecular outflow sources. Astronomy & Astrophysics, 190(1-2) pp. 289–319.

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Abstract

The authors have mapped high velocity outflows associated with the sources K3-50, CRL 2591, W3, S88, NGC 2264, NGC 2024, S140, G 35.2-0.74, NGC 1333 (HH 7-11), and NGC 1333 (IRAS 1) in the J = 2-1 and J = 3-2 transitions of CO. The line core and wing excitation properties are discussed in detail, and an approximate relation dv/dr ≅ 2.5×10-4n (H2)3/2km s-1 pc-1 determined, whereby most of the nebulae appear to depart considerably from the régime of free-fall collapse, or thermal, turbulent, and rotational stability.

Item Type: Journal Article
Copyright Holders: 1988 European Southern Observatory
ISSN: 1432-0746
Keywords: astronomical maps; astronomical spectroscopy; carbon monoxide; molecular flow; HII regions; infrared sources (astronomy); molecular clouds; nebulae; star clusters
Academic Unit/Department: Science > Physical Sciences
Science
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 33350
Depositing User: G. J. White
Date Deposited: 18 Apr 2012 14:32
Last Modified: 24 Feb 2016 09:16
URI: http://oro.open.ac.uk/id/eprint/33350
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