Fast winds in low luminosity, pre-main-sequence stars

Details Fast winds in low luminosity, pre-main-sequence stars Fast winds in low luminosity, pre-main-sequence stars

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989rmxaa..18...29n&link_type=abstract

(Universidad Nacional Autonoma de Mexico and CONACYT, Conferencia Mexicana-Texana de Astrofisica, 2nd, Mexico City, MX, Feb. 22-

Astronomy and Astrophysics

Astronomy

Molecular Flow, Pre-Main Sequence Stars, Stellar Luminosity, Stellar Winds, Carbon Monoxide, Gas Temperature, Wind Velocity

Scientific paper

Observations of winds in excess of 100 km/sec around low-luminosity, premain-sequence stars suggest a scenario in which this fast wind is leaving the star in a state that is primarily neutral and as cool as 7000-8000 K. It is presently proposed that the maintenance of gas temperatures of the order of a few thousand degrees when the wind has proceeded as far as 100 AU from the star is due either to there being no cooling in the process of travel from the star, or to the influence of some factor which results in reheating of the gas. The slow molecular outflow revealed by CO broad wings is judged to be swept-up matter from the ambient cloud.

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