Near-infrared observations of the bipolar outflow source G35.2N

Details Near-infrared observations of the bipolar outflow source G35.2N Near-infrared observations of the bipolar outflow source G35.2N

Nov 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.217..217d&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 217, Nov. 1, 1985, p. 217-226.

Astronomy and Astrophysics

Astronomy

18

Infrared Stars, Molecular Clouds, Near Infrared Radiation, Stellar Winds, B Stars, H Ii Regions, H Lines, Infrared Spectra, Interstellar Extinction, Reflection Nebulae, Stellar Envelopes

Scientific paper

Near-infrared observations of the bipolar outflow source G35.2N are presented. They show a single unresolved 2.2-μm source (IRS1) whose spectrum is consistent with a B0.5 ZAMS star reddened by AV = 75, together with a cooler dust component (Tdust = 105K). This is about 3 arcsec from the centre of both the molecular disc and double compact H II region, and is presumably the exciting star for the region. Also present is nebulosity extending to 45 arcsec from the centre, which may be due to reflection of starlight from the inner surface of the stellar wind outflow cone. The υ = 1-0 S(1) line of H2 was also observed, and seems to be anticorrelated with the molecular disc material.

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