Astronomy and Astrophysics – Astronomy
Scientific paper
May 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.203..433w&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 203, May 1983, p. 433-441.
Astronomy and Astrophysics
Astronomy
6
Astronomical Spectroscopy, Infrared Spectra, Molecular Clouds, Nebulae, Continuous Radiation, Emission Spectra, H Ii Regions, H Lines, Infrared Spectrophotometers, Spatial Distribution, Spectrum Analysis
Scientific paper
The strength of the 3.28 μm emission feature has been measured at 12 positions in the biconical nebula S 106. The correlation of line strength with thermal continuum confirms the association of the 3.28 μm line carrier with the cool dust. This correlation holds across the H II region, including the ionization fronts, over a four-fold range of linestrength. In contrast to the results reported in Orion, there is no evidence for preferential line formation where the H II region interacts with the molecular cloud. The correlation of 3.28 μm linestrength with Brackett linestrength at three beam positions away from the excitation source strengthens the view that the dust and gas are well mixed in S 106.
Williams Peredur M.
Zealey William J.
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