Journal
ASTROPHYSICAL JOURNAL
Volume 549, Issue 1, Pages 425-432Publisher
IOP PUBLISHING LTD
DOI: 10.1086/319065
Keywords
HII regions; ISM : individual (G9.62+0.19); ISM : jets and outflows; ISM : molecules; stars : formation
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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), and SiO(4(3)-3(2)), 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(15(3)-14(4)) 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(15(3)-14(4)) A(-) is not detected at the position of the G9.62+0.19 F hot core region.
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