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Modelling of T Tauri jets with low mass accretion rate

Published online by Cambridge University Press:  24 February 2011

N. Globus ,
C. Sauty ,
V. Cayatte ,
Z. Meliani ,
J. J. G. Lima ,
K. Tsinganos  and
C. Michaut
N. Globus
Affiliation:
LUTh, Observatoire de Paris, F-92190 Meudon, France email: noemie.globus@obspm.fr
C. Sauty
Affiliation:
LUTh, Observatoire de Paris, F-92190 Meudon, France email: noemie.globus@obspm.fr
V. Cayatte
Affiliation:
LUTh, Observatoire de Paris, F-92190 Meudon, France email: noemie.globus@obspm.fr
Z. Meliani
Affiliation:
LUTh, Observatoire de Paris, F-92190 Meudon, France email: noemie.globus@obspm.fr Centrum voor Plasma Astrofysica, Leuven, Belgium
J. J. G. Lima
Affiliation:
Centro de Astrofisica da Universidade do Porto, Portugal Departamento de Fisica e Astronomia da Faculdade de Ciencias, Porto, Portugal
K. Tsinganos
Affiliation:
IASA and Section of Astrophysics, Astronomy & Mechanics, Department of Physics, University of Athens, Greece
C. Michaut
Affiliation:
LUTh, Observatoire de Paris, F-92190 Meudon, France email: noemie.globus@obspm.fr
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Abstract

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We show that low mass accreting T Tauri stars may have a strong stellar jet component which can effectively brake the star to the observed rotation speed. By means of meridional self similarity, we construct semi analytical solutions describing the complete dynamics and topology of the stellar component of the jet emerging from the corona of the star. We show two typical solutions with the same mass loss rate but different magnetic lever arms and jet radius, corresponding to differente phases of T Tauri star activity.

Keywords

MHDstars: windsoutflowsstars: mass lossstars: rotation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S275: Jets at all Scales , September 2010 , pp. 408 - 409
Copyright
Copyright © International Astronomical Union 2011

References

Sauty, C. & Tsinganos, K. 1994, A&A, 287, 893Google Scholar
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Gomez de Castro, A. I. & Verdugo, E. 2001, ApJ, 548, 976Google Scholar