Astrophys. J., 688, 344-361 (2008/November-3)
Millimeter- and submillimeter-wave observations of the OMC-2/3 region. III. An extensive survey for molecular outflows.
TAKAHASHI S., SAITO M., OHASHI N., KUSAKABE N., TAKAKUWA S., SHIMAJIRI Y., TAMURA M. and KAWABE R.
Abstract (from CDS):
Using the ASTE 10 m submillimeter telescope and the 1.4 m Infrared Survey Facility (IRSF), we performed an extensive outflow survey in the Orion Molecular Cloud 2 and 3 region. Our survey, which includes 41 potential star-forming sites, has been newly compiled using multiwavelength data based on millimeter- and submillimeter-continuum observations, as well as radio continuum observations. From the CO(3-2) observations performed with the Atacama Submillimeter Telescope Experiment (ASTE) 10 m telescope, we detected 14 CO molecular outflows, seven of which were newly identified. This higher detection rate, as compared to previous CO(1-0) results in the same region, suggests that CO(3-2) may be a better outflow tracer. Physical properties of these outflows and their possible driving sources were derived. Derived parameters were compared with those of CO outflows in low- and high-mass star-forming regions. We show that the CO outflow momentum correlates with the bolometric luminosity of the driving source and with the envelope mass, regardless of the mass of the driving sources. In addition to these CO outflows, seven sources having near-IR features suggestive of outflows were also identified.
ISM: Clouds - ISM: individual (OMC-2/3) - ISM: Jets and Outflows - Radio Lines: ISM - Stars: Formation
Table 1, col(1): [TSO2008] NN (Nos 1-41) = Table 1, col(7): [TSO2008] JHHMMSS+DDMMSS N=20.
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