Optical spectroscopy and near-infrared mapping of S 106

Details Optical spectroscopy and near-infrared mapping of S 106 Optical spectroscopy and near-infrared mapping of S 106

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...210..351r&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 210, no. 1-2, Feb. 1989, p. 351-365.

Astronomy and Astrophysics

Astronomy

7

Astronomical Maps, Astronomical Spectroscopy, H Ii Regions, Infrared Astronomy, Protostars, Abundance, Brightness Distribution, Emission Spectra, Infrared Photometry, Near Infrared Radiation, Star Formation

Scientific paper

The bipolar outflow region S 106 is studied with optical spectroscopy and IR mapping techniques. The physical conditions in the ionized region, the density, temperature, ionic and total abundances of the primary atomic species, and the extinction trends and kinematic profiles, are analyzed. A model for the source is proposed in which primary emission is confined to the outer limits of an outflow cavity orientated at an angle of 110 deg to the line of sight. The outflow velocities in the model are shown to be consistent with shock excitation of the lower excitation line species. The IR mapping at J, H, K, L, and M is used to analyze the source NIR energetics and to study trends in surface brightness and color index.

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