The spectrum and the structure of the bipolar nebula S 106

Details The spectrum and the structure of the bipolar nebula S 106 The spectrum and the structure of the bipolar nebula S 106

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....92...51s&link_type=abstract

Astronomy and Astrophysics, vol. 92, no. 1-2, Dec. 1980, p. 51-56.

Astronomy and Astrophysics

Astronomy

26

Astronomical Spectroscopy, Nebulae, Stellar Evolution, Emission Spectra, H Ii Regions, Infrared Astronomy

Scientific paper

Optical and near-infrared spectroscopic observations of the H II region S 106 are presented. Besides a rich emission lines spectrum similar to that of the Orion nebula, a nebular continuum spectrum has been detected in both lobes of the bipolar nebula. High electron density has been found throughout the lobes. The radial velocity field obtained from the emission lines indicates that the ionized gas is flowing radially outward at supersonic speed through the two lobes. Results support the idea that S 106 is structurally a bipolar nebula. The shape and kinematic structure of the lobes are in qualitative agreement with the predictions of the champagne model applied to recent star formation near the center of the flat rotating dense cloud.

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