SPHERE: the exoplanet imager for the Very Large Telescope
Jean-Luc Beuzit,Arthur Vigan,David Mouillet,Kjetil Dohlen,Raffaele Gratton,Anthony Boccaletti,Jean-François Sauvage,H. M. Schmid,Maud Langlois,Cyril Petit,Andrea Baruffolo,M. Feldt,Julien Milli,Zahed Wahhaj,L. Abe,U. Anselmi,J. Antichi,Rudy Barette,J. Baudrand,Pierre Baudoz,Andreas Bazzon,P. Bernardi,P. Blanchard,R. Brast,Pietro Bruno,Tristan Buey,Marcel Carbillet,M. Carle,Enrico Cascone,F. Chapron,Gael Chauvin,Julien Charton,Riccardo Claudi,Anne Costille,V. De Caprio,A. Delboulbe,Silvano Desidera,Carsten Dominik,Mark Downing,O. Dupuis,Christophe Fabron,D. Fantinel,G. Farisato,Philippe Feautrier,Enrico Fedrigo,T. Fusco,P. Gigan,Christian Ginski,Julien Girard,Enrico Giro,D. Gisler,L. Gluck,Cecile Gry,Th. Henning,N. Hubin,Emmanuel Hugot,S. Incorvaia,M. Jaquet,M. Kasper,Eric Lagadec,Anne-Marie Lagrange,H. Le Coroller,D. Le Mignant,B. Le Ruyet,G. Lessio,J. L. Lizon,M. Llored,Lars Lundin,F. Madec,Yves Magnard,M. Marteaud,P. Martinez,D. Maurel,Francois Menard,Dino Mesa,O. Möller-Nilsson,Thibaut Moulin,C. Moutou,Alain Origne,J. Parisot,A. Pavlov,D. Perret,J. Pragt,Pascal Puget,Patrick Rabou,Juan-Luis Ramos,Jean Michel Reess,F. Rigal,Sylvain Rochat,Ronald Roelfsema,G. Rousset,A. Roux,Michel Saisse,Bernardo Salasnich,E. Sant'Ambrogio,Salvo Scuderi,D. Segransan,Arnaud Sevin,Ralf Siebenmorgen,Christian Soenke,Eric Stadler,Marcos Suarez,Didier Tiphene,Massimo Turatto,Stéphane Udry,Farrokh Vakili,L. B. F. M. Waters,L. Weber,Francois Wildi,Gérard Zins,Alice Zurlo +110 more
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The Spectro-Polarimetic High contrast imager for Exoplanets REsearch (SPHERE) was designed and built for the ESO Very Large Telescope (VLT) in Chile as mentioned in this paper.Abstract:
Observations of circumstellar environments to look for the direct signal of exoplanets and the scattered light from disks has significant instrumental implications. In the past 15 years, major developments in adaptive optics, coronagraphy, optical manufacturing, wavefront sensing and data processing, together with a consistent global system analysis have enabled a new generation of high-contrast imagers and spectrographs on large ground-based telescopes with much better performance. One of the most productive is the Spectro-Polarimetic High contrast imager for Exoplanets REsearch (SPHERE) designed and built for the ESO Very Large Telescope (VLT) in Chile. SPHERE includes an extreme adaptive optics system, a highly stable common path interface, several types of coronagraphs and three science instruments. Two of them, the Integral Field Spectrograph (IFS) and the Infra-Red Dual-band Imager and Spectrograph (IRDIS), are designed to efficiently cover the near-infrared (NIR) range in a single observation for efficient young planet search. The third one, ZIMPOL, is designed for visible (VIR) polarimetric observation to look for the reflected light of exoplanets and the light scattered by debris disks. This suite of three science instruments enables to study circumstellar environments at unprecedented angular resolution both in the visible and the near-infrared. In this work, we present the complete instrument and its on-sky performance after 4 years of operations at the VLT.read more
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Journal ArticleDOI
The SPHERE infrared survey for exoplanets (SHINE). III. The demographics of young giant exoplanets below 300 au with SPHERE
Arthur Vigan,C. Fontanive,Michael Meyer,Beth Biller,Mariangela Bonavita,Markus Feldt,Silvano Desidera,Gabriel-Dominique Marleau,Gabriel-Dominique Marleau,Alexandre Emsenhuber,R. Galicher,Ken Rice,Duncan Forgan,C. Mordasini,C. Mordasini,Raffaele Gratton,H. Le Coroller,Anne-Lise Maire,Faustine Cantalloube,Gael Chauvin,Anthony Cheetham,Janis Hagelberg,A-M. Lagrange,Maud Langlois,Maud Langlois,Mickael Bonnefoy,Jean-Luc Beuzit,Jean-Luc Beuzit,A. Boccaletti,Valentina D'Orazi,Philippe Delorme,Carsten Dominik,Th. Henning,Markus Janson,E. Lagadec,C. Lazzoni,Roxanne Ligi,François Ménard,Dino Mesa,Sergio Messina,C. Moutou,André Müller,C. Perrot,Matthias Samland,H. M. Schmid,T. O. B. Schmidt,E. Sissa,Massimo Turatto,Stéphane Udry,Alice Zurlo,Lyu Abe,Jacopo Antichi,Ruben Asensio-Torres,Andrea Baruffolo,Pierre Baudoz,J. Baudrand,A. Bazzon,P. Blanchard,Alexander J. Bohn,S. Brown Sevilla,Marcel Carbillet,M. Carle,E. Cascone,Julien Charton,Riccardo Claudi,Anne Costille,V. De Caprio,Alain Delboulbé,Kjetil Dohlen,N. Engler,Daniela Fantinel,Philippe Feautrier,Thierry Fusco,P. Gigan,Julien Girard,Enrico Giro,D. Gisler,L. Gluck,Cecile Gry,Norbert Hubin,Emmanuel Hugot,Marc Jaquet,M. Kasper,M. Kasper,D. Le Mignant,M. Llored,F. Madec,Yves Magnard,Patrice Martinez,D. Maurel,O. Möller-Nilsson,David Mouillet,T. Moulin,Alain Origne,A. Pavlov,Denis Perret,C. Petit,J. Pragt,Pascal Puget,P. Rabou,J. Ramos,E. L. Rickman,F. Rigal,S. Rochat,Ronald Roelfsema,Gérard Rousset,Alain Roux,Bernardo Salasnich,Jean-François Sauvage,Arnaud Sevin,C. Soenke,Eric Stadler,Marcos Suarez,Zahed Wahhaj,L. Weber,Francois Wildi +115 more
TL;DR: In this paper, the authors present an initial statistical analysis for a subsample of 150 stars that are representative of the full SHINE sample, and use a MCMC tool to compare their observations to two different types of models.
Journal ArticleDOI
Population-level Eccentricity Distributions of Imaged Exoplanets and Brown Dwarf Companions: Dynamical Evidence for Distinct Formation Channels
TL;DR: In this article, the authors combine high-contrast imaging observations of substellar companions obtained primarily with Keck/NIRC2 together with astrometry from the literature to test for differences in the population level eccentricity distributions of 27 long-period giant planets and brown dwarf companions between 5 and 100 au using hierarchical Bayesian modeling.
Journal ArticleDOI
The SPHERE infrared survey for exoplanets (SHINE) - III. The demographics of young giant exoplanets below 300 au with SPHERE
Arthur Vigan,C. Fontanive,Michael Meyer,Beth Biller,Mariangela Bonavita,Markus Feldt,Silvano Desidera,Gabriel-Dominique Marleau,Gabriel-Dominique Marleau,Alexandre Emsenhuber,R. Galicher,Ken Rice,Duncan Forgan,C. Mordasini,C. Mordasini,Raffaele Gratton,H. Le Coroller,Anne-Lise Maire,Faustine Cantalloube,Gael Chauvin,Anthony Cheetham,Janis Hagelberg,A-M. Lagrange,Maud Langlois,Maud Langlois,Mickael Bonnefoy,Jean-Luc Beuzit,Jean-Luc Beuzit,A. Boccaletti,Valentina D'Orazi,Philippe Delorme,Carsten Dominik,Th. Henning,Markus Janson,E. Lagadec,C. Lazzoni,Roxanne Ligi,François Ménard,Dino Mesa,Sergio Messina,C. Moutou,André Müller,C. Perrot,Matthias Samland,H. M. Schmid,T. O. B. Schmidt,E. Sissa,Massimo Turatto,Stéphane Udry,Alice Zurlo,Lyu Abe,Jacopo Antichi,Ruben Asensio-Torres,Andrea Baruffolo,Pierre Baudoz,J. Baudrand,A. Bazzon,P. Blanchard,Alexander J. Bohn,S. Brown Sevilla,Marcel Carbillet,M. Carle,E. Cascone,Julien Charton,Riccardo Claudi,Anne Costille,V. De Caprio,Alain Delboulbé,Kjetil Dohlen,N. Engler,Daniela Fantinel,Philippe Feautrier,Thierry Fusco,P. Gigan,Julien Girard,Enrico Giro,D. Gisler,L. Gluck,Cecile Gry,Norbert Hubin,Emmanuel Hugot,Marc Jaquet,M. Kasper,M. Kasper,D. Le Mignant,M. Llored,F. Madec,Yves Magnard,Patrice Martinez,D. Maurel,O. Möller-Nilsson,David Mouillet,T. Moulin,Alain Origne,A. Pavlov,Denis Perret,C. Petit,J. Pragt,Pascal Puget,P. Rabou,J. Ramos,E. L. Rickman,F. Rigal,S. Rochat,Ronald Roelfsema,Gérard Rousset,Alain Roux,Bernardo Salasnich,Jean-François Sauvage,Arnaud Sevin,C. Soenke,Eric Stadler,Marcos Suarez,Zahed Wahhaj,L. Weber,Francois Wildi +115 more
TL;DR: In this article, the authors present an initial statistical analysis for a subsample of 150 stars spanning spectral types from B to M that are representative of the full SHINE sample, and use a Markov chain Monte Carlo tool to compare their observations to two different types of models.
Journal ArticleDOI
Polarimetric imaging mode of VLT/SPHERE/IRDIS : II. Characterization and correction of instrumental polarization effects
R. G. van Holstein,Julien Girard,Julien Girard,J. de Boer,Frans Snik,Julien Milli,Daphne Stam,Christian Ginski,David Mouillet,Zahed Wahhaj,H. M. Schmid,Christoph U. Keller,Maud Langlois,Kjetil Dohlen,Arthur Vigan,A. Pohl,Marcel Carbillet,Daniela Fantinel,D. Maurel,Alain Origne,C. Petit,J. Ramos,F. Rigal,Arnaud Sevin,Anthony Boccaletti,H. Le Coroller,Carsten Dominik,Thomas Henning,Eric Lagadec,François Ménard,Massimo Turatto,Stéphane Udry,G. Chauvin,M. Feldt,J.-L. Beuzit +34 more
TL;DR: In this article, a detailed Mueller matrix model was developed to correct the instrumental polarization effects of the complete optical system, that is, the telescope and IRDIS, and applied to observations of the circumstellar disk of T Cha.
Journal ArticleDOI
A triple-star system with a misaligned and warped circumstellar disk shaped by disk tearing
Stefan Kraus,Alexander Kreplin,Alison K. Young,Alison K. Young,Matthew R. Bate,John Monnier,Tim J. Harries,Henning Avenhaus,Jacques Kluska,Jacques Kluska,Anna Laws,Evan A. Rich,Matthew Willson,Matthew Willson,Alicia Aarnio,Fred C. Adams,Sean M. Andrews,Narsireddy Anugu,Narsireddy Anugu,Narsireddy Anugu,Jaehan Bae,Jaehan Bae,T. ten Brummelaar,Nuria Calvet,Michel Curé,Claire L. Davies,Jacob Ennis,Catherine Espaillat,Tyler Gardner,Lee Hartmann,Sasha Hinkley,Aaron Labdon,Cyprien Lanthermann,J. B. Lebouquin,J. B. Lebouquin,Gail H. Schaefer,Benjamin R. Setterholm,David J. Wilner,Zhaohuan Zhu +38 more
TL;DR: Observations of the triple-star system GW Orionis are presented, finding evidence for disk tearing, which could provide a mechanism for forming wide-separation planets on oblique orbits.
References
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