BIMA Observations of the Massive Bipolar Outflow from G5.89-0.39

Details BIMA Observations of the Massive Bipolar Outflow from G5.89-0.39 BIMA Observations of the Massive Bipolar Outflow from G5.89-0.39

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...201.2014w&link_type=abstract

American Astronomical Society, 201st AAS Meeting, #20.14; Bulletin of the American Astronomical Society, Vol. 34, p.1135

Astronomy and Astrophysics

Astronomy

2

Scientific paper

We present CO and HCO+ observations using the BIMA interferometer of the outflow from the massive star formation region G5.89-0.39. We achieve 3'' spatial resolution with 0.3 km/s velocity resolution and 0.2 Jy/Beam per channel rms. We measure very broad line wings (full-width ~60 km/s) and, based on morphology, this outflow appears nearly along the line-of-sight. We analyze how the outflow interacts with the ambient interstellar medium. Specifically, we characterize the mass entrainment process in this outflow by comparing emission at different velocities and comparing the two molecular species. Three different entrainment mechanisms are discussed: bow-shock, turbulent and wide-angle wind. CGW acknowledges partial support from the Wisconsin Space Grant Consortium. EBC acknowledges partial support from an NSF grant AST-9986548.

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