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Images of unclassified and supergiant B[e] stars disks with interferometry

Published online by Cambridge University Press:  12 July 2011

Florentin Millour ,
Anthony Meilland ,
Olivier Chesneau ,
Marcelo Borges Fernandes ,
Jose H. Groh ,
Thomas Driebe ,
Adrianne Liermann  and
Gerd Weigelt
Florentin Millour
Affiliation:
Max-Planck Institute for Radioastronomy, auf dem Hügel 69, 53121 Bonn, Germany email: [email protected] Observatoire de la côte d'Azur, Bd. de l'Observatoire, 06304 Nice, France
Anthony Meilland
Affiliation:
Max-Planck Institute for Radioastronomy, auf dem Hügel 69, 53121 Bonn, Germany email: [email protected]
Olivier Chesneau
Affiliation:
Observatoire de la côte d'Azur, Bd. de l'Observatoire, 06304 Nice, France
Marcelo Borges Fernandes
Affiliation:
Observatorio Nacional, Rua General José Cristino, 77, Rio de Janeiro, Brazil
Jose H. Groh
Affiliation:
Max-Planck Institute for Radioastronomy, auf dem Hügel 69, 53121 Bonn, Germany email: [email protected]
Thomas Driebe
Affiliation:
Max-Planck Institute for Radioastronomy, auf dem Hügel 69, 53121 Bonn, Germany email: [email protected] German Aerospace Center (DLR), Königswinterer Str. 522-524, 53227 Bonn, Germany
Adrianne Liermann
Affiliation:
Max-Planck Institute for Radioastronomy, auf dem Hügel 69, 53121 Bonn, Germany email: [email protected]
Gerd Weigelt
Affiliation:
Max-Planck Institute for Radioastronomy, auf dem Hügel 69, 53121 Bonn, Germany email: [email protected]
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Abstract

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B[e] stars are among the most peculiar objects in the sky. This spectral type, characterised by allowed and forbidden emission lines, and a large infrared excess, does not represent an homogenous class of objects, but instead, a mix of stellar bodies seen in all evolutionary status. Among them, one can find Herbig stars, planetary nebulae central stars, interacting binaries, supermassive stars, and even “unclassified” B[e] stars: systems sharing properties of several of the above. Interferometry, by resolving the innermost regions of these stellar systems, enables us to reveal the true nature of these peculiar stars among the peculiar B[e] stars.

Keywords

techniques: high angular resolutiontechniques: interferometricbinaries (including multiple): closestars: individual (HD 87643, HD 62623)stars: mass lossstars: windsoutflows
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S272: Active OB stars: structure, evolution, mass loss, and critical limits , July 2010 , pp. 410 - 411
Copyright
Copyright © International Astronomical Union 2011

References

Millour, F., Chesneau, O., Borges Fernandes, M., Meilland, A. et al. 2009, A&A, 507, 317Google Scholar
Plets, H., Waelkens, C. & Trams, N. R. 1995, A&A, 293, 363Google Scholar