A New Interpretation of the Bipolar HII Region S106 from HCN J=3-2 Mapping Observations

Details A New Interpretation of the Bipolar HII Region S106 from HCN J=3-2 Mapping Observations A New Interpretation of the Bipolar HII Region S106 from HCN J=3-2 Mapping Observations

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005chjaa...5....1q&link_type=abstract

Chinese Journal of Astronomy and Astrophysics, Volume 5, Issue 1, pp. 1-5 (2005).

Astronomy and Astrophysics

Astrophysics

3

Scientific paper

The first mapping observations of the bipolar HII region S106 in HCN J = 3-2 line were made by KOSMA submillimeter telescope in April, 2004. The results show that there is a bipolar outflow centered on the high-mass star S106 IRS4 and that the flat structure of molecular cloud core is perpendicular to the axis of the outflow. This image roughly corresponds to the optical image where a dark lane bisects the bipolar HII region. Together with the optical, infrared and radio data, we conclude that the central UC HII region and molecular outflow formed before the two lobes of the bipolar HII region, and that a neutral disk is responsible for the bipolar HII region and the outflow.

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