Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001apj...549..425h&link_type=abstract
The Astrophysical Journal, Volume 549, Issue 1, pp. 425-432.
Astronomy and Astrophysics
Astronomy
24
Ism: H Ii Regions, Ism: Individual: Alphanumeric: G9.62+0.19, Ism: Jets And Outflows, Ism: Molecules, Stars: Formation
Scientific paper
We have observed the G9.62+0.19 region of massive star formation with the IRAM 30 m single-dish telescope in the HCO+(1-0), SO(43-32), and SiO(5-4) spectral lines, and with the IRAM Plateau de Bure interferometer in the 3 mm continuum and the HCO+(1-0) and CH3OH(153-144) A- spectral lines. We detect a high-velocity molecular ouflow with a total velocity extent of at least 60 km s-1. The orientation of the outflow axis is very close to the line of sight. Our estimates of the mass and energetics of the outflowing gas indicate that a massive object must be responsible for driving the flow, with the hot core region G9.62+0.19 F as the most likely candidate. We also detect emission from hot methanol coincident with the position of continuum component E, but CH3OH(153-144) A- is not detected at the position of the G9.62+0.19 F hot core region. Based on observations carried out with the IRAM 30 m Telescope and the IRAM Plateau de Bure Interferometer. IRAM is supported by INSU/CNRS (France), MPG (Germany), and IGN (Spain).
Henning Thomas
Hofner Peter
Wiesemeyer Helmut
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