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Reaching the jet engine with AMBER/VLTI

Published online by Cambridge University Press:  31 January 2003

G. Perrin ,
F. Malbet ,
C. S.C. Gil ,
P. J.V. Garcia ,
R. Foy  and
E. Thiébaut
C. S.C. Gil
Affiliation:
Laboratoire d'Astrophysique de Grenoble, France Centro de Astrofísica do Porto, Portugal
P. J.V. Garcia
Affiliation:
Centro de Astrofísica do Porto, Portugal DEEC, Faculdade de Engenharia da Universidade do Porto, Portugal
R. Foy
Affiliation:
Observatoire de Lyon/CRAL, UMR 5574, France
E. Thiébaut
Affiliation:
Observatoire de Lyon/CRAL, UMR 5574, France
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Abstract

To understand star formation and its evolution, one needs to solve the problem of ejection and collimation mechanisms in jets from young stars. By measuring the jet opening angle at the ejection region we can test models for jet origin. However this very small region cannot be investigated with current monolithic telescopes. Only the AMBER near-IR instrument coupled with the VLTI provides enough resolution to reach the ejection region and enough spectral resolution/coverage to properly separate the emission line jet from the continuum. In this proposal we show that expected visibilities from jets can constrain the jet opening angle.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 6: Observing with the VLTI , 2003 , pp. 261
Copyright
© EAS, EDP Sciences, 2003

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