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First images from the PIONIER/VLTI optical interferometry imaging survey of Herbig Ae/Be stars

Published online by Cambridge University Press:  06 January 2014

J. Kluska
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
F. Malbet
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
J.-P. Berger
Affiliation:
ESO Santiago de Chile, Chile
M. Benisty
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
B. Lazareff
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
J.-B. Le Bouquin
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
F. Baron
Affiliation:
Georgia State University, USA University of Michigan, USA
C. Dominik
Affiliation:
University of Amsterdam, The Netherlands
A. Isella
Affiliation:
California Institue of Technology, USA
A. Juhasz
Affiliation:
Leiden Observatory, Leiden, The Netherlands
S. Kraus
Affiliation:
University of Michigan, USA
R. Lachaume
Affiliation:
Pontificia Univ. Católica de Chile, Chile
F. Ménard
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France UMI-FCA, CNRS y U. de Chile, Chile
R. Millan-Gabet
Affiliation:
California Institue of Technology, USA
J.D. Monnier
Affiliation:
University of Michigan, USA
C. Pinte
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
W.-F. Thi
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
E. Thiebaut
Affiliation:
Université de Lyon 1, France
G. Zins
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
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Abstract

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The close environment of Herbig stars starts to be revealed step by step and it appears to be quite complex. Many physical phenomena interplay: the dust sublimation causing a puffed-up inner rim, a dusty halo, a dusty wind or an inner gaseous component. To investigate more deeply these regions, getting images at the first Astronomical Unit scale is necessary. This has become possible with near infrared instruments on the VLTI. We have developed a new imaging method adapted to young stellar objects where we process separately the stellar component from the rest of the image to reveal the environment by using the spectral differences between these two components. We present the result of this method on the first imaging survey of Herbig stars carried out by PIONIER on the VLTI.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2013 

References

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