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Xavier Haubois
Researcher at European Southern Observatory
Publications - 80
Citations - 3037
Xavier Haubois is an academic researcher from European Southern Observatory. The author has contributed to research in topics: Stars & Red supergiant. The author has an hindex of 20, co-authored 80 publications receiving 2178 citations. Previous affiliations of Xavier Haubois include University of São Paulo & Paris Diderot University.
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Journal ArticleDOI
Detection of the gravitational redshift in the orbit of the star S2 near the Galactic centre massive black hole
Roberto Abuter,António Amorim,Narsireddy Anugu,M. Bauböck,Myriam Benisty,Jean-Philippe Berger,Jean-Philippe Berger,Nicolas Blind,H. Bonnet,Wolfgang Brandner,A. Buron,C. Collin,F. Chapron,Yann Clénet,V. dCoudé u Foresto,P. T. de Zeeuw,P. T. de Zeeuw,Casey Deen,F. Delplancke-Ströbele,Roderick Dembet,Roderick Dembet,Jason Dexter,Gilles Duvert,Andreas Eckart,Andreas Eckart,Frank Eisenhauer,Gert Finger,N. M. Förster Schreiber,P. Fédou,Paulo J. V. Garcia,Paulo J. V. Garcia,R. Garcia Lopez,R. Garcia Lopez,Feng Gao,Eric Gendron,Reinhard Genzel,Reinhard Genzel,Stefan Gillessen,Paulo Gordo,Maryam Habibi,Xavier Haubois,M. Haug,F. Haußmann,Th. Henning,Stefan Hippler,Matthew Horrobin,Z. Hubert,Z. Hubert,Norbert Hubin,A. Jimenez Rosales,Lieselotte Jochum,Laurent Jocou,Andreas Kaufer,S. Kellner,Sarah Kendrew,Sarah Kendrew,Pierre Kervella,Yitping Kok,Martin Kulas,Sylvestre Lacour,V. Lapeyrère,Bernard Lazareff,J.-B. Le Bouquin,Pierre Léna,Magdalena Lippa,Rainer Lenzen,Antoine Mérand,E. Müler,E. Müler,Udo Neumann,Thomas Ott,L. Palanca,Thibaut Paumard,Luca Pasquini,Karine Perraut,Guy Perrin,Oliver Pfuhl,P. M. Plewa,Sebastian Rabien,A. Ramirez,Joany Andreina Manjarres Ramos,C. Rau,G. Rodríguez-Coira,R.-R. Rohloff,Gérard Rousset,J. Sanchez-Bermudez,J. Sanchez-Bermudez,Silvia Scheithauer,Markus Schöller,N. Schuler,Jason Spyromilio,Odele Straub,Christian Straubmeier,Eckhard Sturm,Linda J. Tacconi,Konrad R. W. Tristram,Frederic H. Vincent,S. von Fellenberg,Imke Wank,Idel Waisberg,Felix Widmann,Ekkehard Wieprecht,M. Wiest,Erich Wiezorrek,Julien Woillez,S. Yazici,S. Yazici,D. Ziegler,Gérard Zins +108 more
TL;DR: Eisenhauer et al. as mentioned in this paper detect the combined gravitational redshift and relativistic transverse Doppler effect for S2 of z = Δλ / λ ≈ 200 km s−1/c with different statistical analysis methods.
Journal ArticleDOI
First light for GRAVITY: Phase referencing optical interferometry for the Very Large Telescope Interferometer
Roberto Abuter,Matteo Accardo,António Amorim,Narsireddy Anugu,G. Avila,N. Azouaoui,Myriam Benisty,Jean-Philippe Berger,Nicolas Blind,H. Bonnet,Pierre Bourget,Wolfgang Brandner,R. Brast,A. Buron,Leonard Burtscher,Frédéric Cassaing,F. Chapron,Elodie Choquet,Yann Clénet,C. Collin,V. Coudé du Foresto,W. J. de Wit,P. T. de Zeeuw,P. T. de Zeeuw,Casey Deen,F. Delplancke-Ströbele,R. Dembet,Frederic Derie,Jason Dexter,Gilles Duvert,M. Ebert,Andreas Eckart,Andreas Eckart,Frank Eisenhauer,Michael Esselborn,P. Fédou,Gert Finger,Paulo J. V. Garcia,C. E. Garcia Dabo,R. Garcia Lopez,Eric Gendron,R. Genzel,Stefan Gillessen,Frédéric Gonté,Paulo Gordo,M. Grould,Ulrich Grözinger,S. Guieu,S. Guieu,Pierre Haguenauer,O. Hans,Xavier Haubois,Marcus Haug,F. Haussmann,Th. Henning,Stefan Hippler,Matthew Horrobin,Armin Huber,Z. Hubert,Norbert Hubin,Christian A. Hummel,Gerd Jakob,A. Janssen,Lieselotte Jochum,Laurent Jocou,Andreas Kaufer,S. Kellner,Sarah Kendrew,Sarah Kendrew,L. Kern,Pierre Kervella,Pierre Kervella,Mario Kiekebusch,Ralf Klein,Yitping Kok,Johann Kolb,Martin Kulas,Sylvestre Lacour,V. Lapeyrère,Bernard Lazareff,J.-B. Le Bouquin,Pierre Léna,Rainer Lenzen,Samuel Lévêque,Magdalena Lippa,Yves Magnard,Leander Mehrgan,M. Mellein,Antoine Mérand,J. Moreno-Ventas,Thibaut Moulin,Ewald Müller,Ewald Müller,F. Müller,Udo Neumann,Sylvain Oberti,T. Ott,Laurent Pallanca,Johana Panduro,Luca Pasquini,Thibaut Paumard,Isabelle Percheron,Karine Perraut,Guy Perrin,A. Pflüger,Oliver Pfuhl,T. Phan Duc,P. M. Plewa,Dan Popovic,Sebastian Rabien,A. Ramirez,Joany Andreina Manjarres Ramos,C. Rau,M. Riquelme,R.-R. Rohloff,Gérard Rousset,J. Sanchez-Bermudez,Silvia Scheithauer,Markus Schöller,Nicolas Schuhler,Jason Spyromilio,Christian Straubmeier,Eckhard Sturm,Marcos Suarez,Konrad R. W. Tristram,N. Ventura,Frederic H. Vincent,Idel Waisberg,Imke Wank,J. Weber,Ekkehard Wieprecht,M. Wiest,Erich Wiezorrek,Markus Wittkowski,Julien Woillez,Burkhard Wolff,Senol Yazici,D. Ziegler,Gérard Zins +138 more
TL;DR: GRAVITY as discussed by the authors is a new instrument to coherently combine the light of the European Southern Observatory Very Large Telescope Interferometer to form a telescope with an equivalent 130 m diameter angular resolution and a collecting area of 200 m2.
Journal ArticleDOI
Detection of orbital motions near the last stable circular orbit of the massive black hole SgrA
Roberto Abuter,António Amorim,M. Bauböck,Jean-Philippe Berger,H. Bonnet,Wolfgang Brandner,Yann Clénet,V. Coudé du Foresto,P. T. de Zeeuw,P. T. de Zeeuw,Casey Deen,Jason Dexter,Gilles Duvert,Andreas Eckart,Andreas Eckart,Frank Eisenhauer,N. M. Förster Schreiber,Paulo J. V. Garcia,Paulo J. V. Garcia,Paulo J. V. Garcia,Feng Gao,Eric Gendron,Reinhard Genzel,Reinhard Genzel,Stefan Gillessen,P. Guajardo,Maryam Habibi,Xavier Haubois,Th. Henning,Stefan Hippler,Matthew Horrobin,Armin Huber,A. Jiménez-Rosales,Laurent Jocou,Pierre Kervella,Sylvestre Lacour,Sylvestre Lacour,V. Lapeyrère,Bernard Lazareff,J.-B. Le Bouquin,Pierre Léna,Magdalena Lippa,Thomas Ott,Johana Panduro,Thibaut Paumard,Karine Perraut,Guy Perrin,Oliver Pfuhl,P. M. Plewa,Sebastian Rabien,G. Rodríguez-Coira,Gérard Rousset,Amiel Sternberg,Amiel Sternberg,Odele Straub,Christian Straubmeier,Eckhard Sturm,Linda J. Tacconi,Frederic H. Vincent,S. von Fellenberg,Idel Waisberg,Felix Widmann,Ekkehard Wieprecht,Erich Wiezorrek,Julien Woillez,S. Yazici,S. Yazici +66 more
TL;DR: In this article, the position centroids exhibit clockwise looped motion on the sky, on scales of typically 150 μ as over a few tens of minutes, corresponding to about 30% the speed of light.
Journal ArticleDOI
Detection of the Schwarzschild precession in the orbit of the star S2 near the Galactic centre massive black hole
Roberto Abuter,António Amorim,M. Bauböck,Jean-Philippe Berger,Jean-Philippe Berger,H. Bonnet,Wolfgang Brandner,Vitor Cardoso,Vitor Cardoso,Yann Clénet,P. T. de Zeeuw,P. T. de Zeeuw,Jason Dexter,Jason Dexter,Andreas Eckart,Andreas Eckart,Frank Eisenhauer,N. M. Förster Schreiber,Paulo J. V. Garcia,Paulo J. V. Garcia,Feng Gao,Eric Gendron,Reinhard Genzel,Reinhard Genzel,Stefan Gillessen,Maryam Habibi,Xavier Haubois,Th. Henning,Stefan Hippler,Matthew Horrobin,A. Jiménez-Rosales,Lieselotte Jochum,Laurent Jocou,Andreas Kaufer,Pierre Kervella,Sylvestre Lacour,V. Lapeyrère,J.-B. Le Bouquin,Pierre Léna,M. Nowak,M. Nowak,Thomas Ott,Thibaut Paumard,Karine Perraut,Guy Perrin,Oliver Pfuhl,Oliver Pfuhl,G. Rodríguez-Coira,Jinyi Shangguan,Silvia Scheithauer,Julia Stadler,Odele Straub,Christian Straubmeier,Eckhard Sturm,Linda J. Tacconi,F. Vincent,S. von Fellenberg,Idel Waisberg,Idel Waisberg,Felix Widmann,Ekkehard Wieprecht,Erich Wiezorrek,Julien Woillez,S. Yazici,S. Yazici,Gérard Zins +65 more
TL;DR: In this article, the first detection of the GR Schwarzschild precession (SP) in S2's orbit was reported, which is a kink between the pre-and post-pericentre directions of motion ≈±1 year around pericentre passage.
Journal ArticleDOI
Radiative hydrodynamics simulations of red supergiant stars - II. Simulations of convection on Betelgeuse match interferometric observations
Andrea Chiavassa,Xavier Haubois,John Young,Bertrand Plez,Eric Josselin,Guy Perrin,Bernd Freytag,Bernd Freytag +7 more
TL;DR: In this paper, a 3D radiative-hydrodynamics (RHD) simulation is used to compute intensity maps in different filters and derive interferometric observables using the post-processing radiative transfer code OPTIM3D.