Search for CO Outflows toward a Sample of 69 High-Mass Protostellar Candidates: Frequency of Occurrence

Details Search for CO Outflows toward a Sample of 69 High-Mass Protostellar Candidates: Frequency of Occurrence Search for CO Outflows toward a Sample of 69 High-Mass Protostellar Candidates: Frequency of Occurrence

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001apj...552l.167z&link_type=abstract

The Astrophysical Journal, Volume 552, Issue 2, pp. L167-L170.

Astronomy and Astrophysics

Astronomy

102

Accretion, Accretion Disks, Ism: H Ii Regions, Ism: Clouds, Ism: Jets And Outflows, Stars: Formation

Scientific paper

A survey for molecular outflows was carried out by mapping the CO J=2-1 line toward a sample of 69 luminous IRAS point sources. Sixty objects have IRAS luminosities from 103 to 105 Lsolar and are associated with dense gas traced by NH3, identifying them as high-mass star-forming regions. Among 69 sources, 65 sources have data that are suitable for outflow identification. Thirty-nine regions show spatially confined high-velocity wing emission in CO, indicative of molecular outflows. Most objects without identifiable outflows lie within 0deg

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