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Interferometry of massive stars: the next step

Published online by Cambridge University Press:  23 January 2015

Ph. Stee ,
A. Meilland  and
O. L. Creevey
Ph. Stee
Affiliation:
Observatoire de la Côte d'Azur - Boulevard de l'Observatoire - CS 34229 - F 06304 Nice Cedex 4 - France email: [email protected]
A. Meilland
Affiliation:
Observatoire de la Côte d'Azur - Boulevard de l'Observatoire - CS 34229 - F 06304 Nice Cedex 4 - France email: [email protected]
O. L. Creevey
Affiliation:
Institut d'Astrophysique Spatiale, Université Paris XI, UMR 8617, CNRS, Batiment 121, 91405 Orsay Cedex, France
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Abstract

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We present some new and interesting results on the complementarity between asteroseismology and interferometry, the detection of non-radial pulsations in massive stars and the possibility for evidencing differential rotation on the surface of Bn stars. We also discuss the curretn interferometric facilities, namely the Very Large Telescope Interferometer (VLTI)/AMBER, VLTI/MIDI, VLTI/PIONIER within the European Southern Observatory (ESO) context and the Center for High Angular Resolution Astronomy (CHARA) array with their current limitations. The forthcoming second-generation VLTI instruments GRAVITY and MATISSE are presented as well as the FRIEND prototype in the visible spectral domain and an update of the Navy Precision Optical Interferometer (NPOI). A conclusion is presented with a special emphasis on the foreseen difficulties for a third generation of interferometric instruments within the (budget limited) Extremely Large Telescope framework and the need for strong science cases to push a future visible beam combiner.

Keywords

instrumentation: interferometersinstrumentation: high angular resolutiontechniques: interferometricstars: fundamental parametersstars: kinematicsstars: emission-lineBestars: windsoutflowsstars: rotationstars: spotsstars: imaging
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Issue S307: New windows on massive stars: asteroseismology, interferometry, and spectropolarimetry , June 2014 , pp. 480 - 489
Copyright
Copyright © International Astronomical Union 2015 

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