Further Indications Against Jet Rotation in Young Stellar Objects

Details Further Indications Against Jet Rotation in Young Stellar Objects Further Indications Against Jet Rotation in Young Stellar Objects

2007-03-18

arxiv.org/abs/astro-ph/0703474v1

Astronomy and Astrophysics

Astrophysics

Reply to a contrary claim made in astro-ph/0703271

Scientific paper

I discuss recent observations of asymmetries in Doppler shifts across T Tauri jets, and argue that the observed asymmetric velocity shifts and gradients do not indicate jet rotation. These observations, therefor, cannot be used as a support of a magnetized disk wind. The interaction of the jets with a twisted-tilted (wrapped) accretion disk (or the variable velocity precessing model) accounts better for the observations.

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