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Constraints on accretion-ejection structures in young stars

Published online by Cambridge University Press:  25 September 2002

J. Bouvier ,
J.-P. Zahn  and
S. Cabrit
S. Cabrit*
Affiliation:
Observatoire de Paris, France
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Abstract

This lecture reviews current observational constraints on theoretical models of accretion-driven ejection in young stars. Fundamental properties of jets (collimation scale, kinematics, variability, density, composition) and ejection/accretion ratios are presented and compared at various stages of star formation (Class 0, I, II). Mass-loss rate derivations and evidence for a broader wind component around the jet are also critically examined.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 3: Star Formation and the Physics of Young Stars: Summer school on Stellar Physics X , 2002 , pp. 147 - 182
Copyright
© EAS, EDP Sciences, 2002

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