A. Meilland
Centre national de la recherche scientifique
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Publication
Featured researches published by A. Meilland.
Astronomy and Astrophysics | 2007
A. Meilland; P. Stee; Martin Vannier; F. Millour; A. Domiciano de Souza; Fabien Malbet; C. Martayan; Francesco Paresce; Romain G. Petrov; A. Richichi; A. Spang
Aims. We aim to study the geometry and kinematics of the disk around the Be star
Astronomy and Astrophysics | 2007
Fabien Malbet; M. Benisty; W. J. de Wit; S. Kraus; A. Meilland; F. Millour; E. Tatulli; J.-P. Berger; O. Chesneau; Karl-Heinz Hofmann; Andrea Isella; A. Natta; Romain G. Petrov; Thomas Preibisch; P. Stee; L. Testi; G. Weigelt; P. Antonelli; Udo Beckmann; Y. Bresson; A. Chelli; G. Duvert; L. Glück; P. Kern; S. Lagarde; E. Le Coarer; Franco Lisi; K. Perraut; Sylvie Robbe-Dubois; A. Roussel
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Astronomy and Astrophysics | 2012
A. Meilland; F. Millour; Samer Kanaan; P. Stee; Romain G. Petrov; Karl-Heinz Hofmann; A. Natta; K. Perraut
Arae as a function of wavelength, especially across the Br
Astronomy and Astrophysics | 2011
O. Delaa; Ph. Stee; A. Meilland; J. Zorec; D. Mourard; Ph. Bério; D. Bonneau; O. Chesneau; J. M. Clausse; Pierre Cruzalèbes; K. Perraut; A. Marcotto; A. Roussel; A. Spang; H. McAlister; Theo A. ten Brummelaar; J. Sturmann; L. Sturmann; Neal J. Turner; C. Farrington; P. J. Goldfinger
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Astronomy and Astrophysics | 2011
O. Chesneau; A. Meilland; D. P. K. Banerjee; J.-B. Le Bouquin; Harold A. McAlister; F. Millour; S. T. Ridgway; A. Spang; Theo A. ten Brummelaar; Markus Wittkowski; N. M. Ashok; M. Benisty; Jean-Philippe Berger; Tabetha S. Boyajian; Ch. Farrington; P. J. Goldfinger; A. Mérand; N. Nardetto; Romain G. Petrov; Th. Rivinius; Gail H. Schaefer; Y. Touhami; G. Zins
emission line. The main purpose of this paper is to answer the question about the nature of the disk rotation around Be stars. Methods. We use the VLTI/AMBER instrument operating in the K band which provides a gain by a factor 5 in spatial resolution compared to previous VLTI/MIDI observations. Moreover, it is possible to combine the high angular resolution provided with the (medium) spectral resolution of AMBER to study the kinematics of the inner part of the disk and to infer its rotation law. Results. We obtain for the first time the direct evidence that the disk is in keplerian rotation, answering a question that occurs since the discovery of the first Be star
Astronomy and Astrophysics | 2005
O. Chesneau; A. Meilland; T. Rivinius; P. Stee; S. Jankov; A. Domiciano de Souza; U. Graser; T. M. Herbst; E. Janot-Pacheco; Ralf S. Koehler; Christoph Leinert; S. Morel; Francesco Paresce; A. Richichi; Sylvie Robbe-Dubois
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Astronomy and Astrophysics | 2006
A. Meilland; P. Stee; J. Zorec; Samer Kanaan
Cas by father Secchi in 1866. We also present the global geometry of the disk showing that it is compatible with a thin disk + polar enhanced winds modeled with the SIMECA code. We found that the disk around
Astronomy and Astrophysics | 2015
D. Mourard; John D. Monnier; A. Meilland; Douglas R. Gies; F. Millour; M. Benisty; Xiaozhou Che; Erika D. Grundstrom; R. Ligi; Gail H. Schaefer; Fabien Baron; Stefan Kraus; Ming Zhao; E Pedretti; Philippe Berio; J. M. Clausse; N. Nardetto; K. Perraut; A. Spang; P. Stee; Isabelle Tallon-Bosc; H. McAlister; Theo A. ten Brummelaar; S. T. Ridgway; J. Sturmann; L. Sturmann; Neal J. Turner; C. Farrington
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Astronomy and Astrophysics | 2014
O. Chesneau; A. Meilland; E. Chapellier; F. Millour; A. M. van Genderen; Yaël Nazé; Nathan Smith; A. Spang; Jonathan Smoker; L. Dessart; Samer Kanaan; Ph. Bendjoya; M. W. Feast; Jose H. Groh; A. Lobel; N. Nardetto; S. Otero; R. D. Oudmaijer; A. G. Tekola; Patricia A. Whitelock; C. Arcos; Michel Cure; Leonardo Vanzi
Arae is compatible with a dense equatorial matter confined in the central region whereas a polar wind is contributing along the rotational axis of the central star. Between these two regions the density must be low enough to reproduce the large visibility modulus (small extension) obtained for two of the four VLTI baselines. Moreover, we obtain that
Astronomy and Astrophysics | 2012
Ph. Stee; O. Delaa; John D. Monnier; A. Meilland; K. Perraut; D. Mourard; Xiao Che; Gail H. Schaefer; Ettore Pedretti; Myron A. Smith; R. Lopes de Oliveira; C. Motch; Gregory W. Henry; N. D. Richardson; K. S. Bjorkman; R. Bücke; E. Pollmann; J. Zorec; Douglas R. Gies; Theo A. ten Brummelaar; H. McAlister; Nils H. Turner; J. Sturmann; L. Sturmann; S. T. Ridgway
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