Dense cores in dark clouds. V - CO outflow

Details Dense cores in dark clouds. V - CO outflow Dense cores in dark clouds. V - CO outflow

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...324..907m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 324, Jan. 15, 1988, p. 907-919.

Astronomy and Astrophysics

Astrophysics

151

Carbon Monoxide, Molecular Clouds, Stellar Cores, Stellar Winds, T Tauri Stars, Dark Matter, Interstellar Chemistry, Star Formation, Stellar Luminosity, Stellar Mass, Stellar Spectra

Scientific paper

Sixteen dense cores in nearby dark clouds having associated low-mass stars were surveyed in the J = 1-0 line of 12CO at 2.6 mm, and seven were found to have CO outflow. These outflows are among the weakest known, with mass loss rates of less than 10-8M_sun;yr-1, similar to those of winds from T Tauri stars. The results presented here indicate that outflows in star-core systems are sufficiently frequent; last long enough; have sufficient available momentum and kinetic energy; and have enough evidence of outflow-core interaction, in order to be the main agent of core dispersal. If so, outflows play an important role in determining the main-sequence mass of low-mass stars.

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