Compact H II regions in the molecular cloud G35.2-0.74
Open Access
- 1 September 1984
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 210 (1) , 173-181
- https://doi.org/10.1093/mnras/210.1.173
Abstract
We present high-resolution 6-cm continuum observations of the molecular cloud G35.2–0.74. Two sources associated with the cloud were detected, one of which (G35.2S) is a near-symmetric H II region with a diameter of ∼ 0.37 pc. It is thought that a stellar wind, rather than pressure expansion of the H II region, could be responsible for the unusual 3-km s−1 molecular line-splitting observed around this object. The second continuum source (G35.2N) has a double-peaked structure, with an orientation very close to that of the surrounding dense elongated molecular cloud. A model which might explain both the structure of G35.2N and the detection of bipolar outflow in HCO+ (Matthews et al. 1984) is that of a disc-constrained outflow, as proposed for S106 by Bally & Scoville 1982.Keywords
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