The extremely high-velocity molecular outflow in IRAS 20126+4104

Details The extremely high-velocity molecular outflow in IRAS 20126+4104 The extremely high-velocity molecular outflow in IRAS 20126+4104

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006a%26a...448.1037l&link_type=abstract

Astronomy and Astrophysics, Volume 448, Issue 3, March IV 2006, pp.1037-1042

Astronomy and Astrophysics

Astrophysics

17

Stars: Formation, Ism: Jets And Outflows, Ism: Individual Objects: Iras 20126+4104

Scientific paper

New sensitive CO(2-1) observations of the massive star-forming region IRAS 20126+4104 reveal a high-velocity gas component that has not been observed before. Comparing the morphologies of the high-velocity CO and the molecular jet traced by H2 and SiO, we found various orientations projected on the plane of the sky that could be interpreted in terms of jet precession. The outflow shows a steepening mass spectrum with increasing flow velocities. The high-velocity gas in IRAS 20126+4104 contributes significantly to the energy and momentum of the flow.

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