Compact H II regions in the molecular cloud G35.2 - 0.74

Details Compact H II regions in the molecular cloud G35.2 - 0.74 Compact H II regions in the molecular cloud G35.2 - 0.74

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.210..173d&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 210, Sept. 1, 1984, p. 173-181.

Astronomy and Astrophysics

Astronomy

20

Astronomical Spectroscopy, H Ii Regions, Molecular Clouds, Stellar Winds, Astronomical Models, Continuous Spectra, Formyl Ions, High Resolution

Scientific paper

High-resolution 6-cm continuum observations of the molecular cloud G35.2 - 0.74 are presented. 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 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 disk-constrained outflow, as proposed for S106 by Bally and Scoville 1982.

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