paper

A detailed study of G35.2-0.7N: collimated outflows in a cluster of high-mass young stellar objects

arXiv:astro-ph/0211059 · doi:10.1046/j.1365-8711.2003.06251.x

Abstract

We present a series of JCMT, BIMA and VLA observations of the massive star-forming region associated with G35.2--0.7N. These new observations shed considerable light on the nature of the outflows in this region. The combination of our CO, SiO and radio data suggest that there are perhaps as many as four outflows emanating from the core containing G35.2--0.7N. The most striking result is that the radio jet is ruled out as the driving source of the large-scale CO flow. The jet drives its own highly-collimated CO outflow. Molecular line emission from H13CN and H13CO+ peaks towards the centre of the large-scale CO outflow, but no radio source is detected within. A third flow may be seen in SiO emission, which appears to be centred on another peak in H13CO+. The fourth flow is not seen in CO or SiO, but is inferred from previous L'-band data and the discovery of a radio source at the proposed centre of this flow.

arXiv commentAccepted by MNRAS, uses mn2e.cls. 15 pages, 11 EPS figures

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