A molecular line study of a bipolar outflow object NGC 2071-north in L1630

Astronomy and Astrophysics – Astrophysics

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Molecular Clouds, Nebulae, Star Formation, Ammonia, Astronomical Maps, Carbon Monoxide, Radio Telescopes

Scientific paper

The authors report molecular observations of a recently discovered CO outflow source NGC 2071-north in L1630. The data include 12CO, 13CO, and C18O spectra and NH3 spectra. The distribution of high-velocity CO wings indicates an extended outflow whose dynamical age is 1.7×105yr. The driving source of the outflow is an IRAS source having a luminosity of 40 L_sun;, which shows a far-infrared spectrum similar to T Tau. The outflow is associated with a small quiescent molecular cloud whose mass is 300 M_sun;. The outflow is shown to have kinetic energy comparable to that of the quiescent cloud.

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