EAS Publications Series
Volume 3, 2002Star Formation and the Physics of Young Stars: Summer school on Stellar Physics X
|Page(s)||147 - 182|
|Published online||25 September 2002|
J. Bouvier and J.-P. Zahn (eds)
EAS Publications Series, 3 (2002) 147-182
Constraints on accretion-ejection structures in young stars
Observatoire de Paris, France
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.
© EAS, EDP Sciences, 2002
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