Discovery of a planetary-mass companion within the gap of the transition disk around PDS 70
Miriam Keppler,Myriam Benisty,Myriam Benisty,André Müller,Th. Henning,R. van Boekel,Faustine Cantalloube,Christian Ginski,Christian Ginski,R. G. van Holstein,Anne-Lise Maire,Adriana Pohl,Matthias Samland,Henning Avenhaus,Jean-Loup Baudino,Anthony Boccaletti,J. de Boer,M. Bonnefoy,Gael Chauvin,Gael Chauvin,Silvano Desidera,Maud Langlois,Maud Langlois,C. Lazzoni,G.-D. Marleau,G.-D. Marleau,Christoph Mordasini,N. Pawellek,N. Pawellek,Tomas Stolker,Arthur Vigan,Alice Zurlo,Alice Zurlo,Tilman Birnstiel,Wolfgang Brandner,M. Feldt,Mario Flock,Mario Flock,Mario Flock,Julien Girard,Julien Girard,Raffaele Gratton,Janis Hagelberg,Andrea Isella,Markus Janson,Markus Janson,Attila Juhasz,J. Kemmer,Quentin Kral,Quentin Kral,Anne-Marie Lagrange,Ralf Launhardt,Alexis Matter,Francois Menard,Julien Milli,P. Mollière,Johan Olofsson,Johan Olofsson,Laura M. Pérez,Paola Pinilla,Christophe Pinte,Christophe Pinte,Christophe Pinte,Sascha P. Quanz,T. Schmidt,Stéphane Udry,Zahed Wahhaj,Jonathan Williams,Esther Buenzli,M. Cudel,Carsten Dominik,Raphaël Galicher,M. Kasper,J. Lannier,Dino Mesa,Dino Mesa,David Mouillet,S. Peretti,C. Perrot,Graeme Salter,E. Sissa,Francois Wildi,L. Abe,Jacopo Antichi,Jean-Charles Augereau,Andrea Baruffolo,Pierre Baudoz,Andreas Bazzon,Jean-Luc Beuzit,P. Blanchard,S. S. Brems,Tristan Buey,V. De Caprio,Marcel Carbillet,M. Carle,Enrico Cascone,A. Cheetham,Riccardo Claudi,Anne Costille,A. Delboulbe,Kjetil Dohlen,Daniela Fantinel,Philippe Feautrier,Thierry Fusco,Enrico Giro,L. Gluck,Cecile Gry,Norbert Hubin,Emmanuel Hugot,M. Jaquet,D. Le Mignant,M. Llored,F. Madec,Yves Magnard,Patrice Martinez,D. Maurel,Michael Meyer,Michael Meyer,O. Möller-Nilsson,Thibaut Moulin,Laurent M. Mugnier,Alain Origne,A. Pavlov,D. Perret,Cyril Petit,J. Pragt,Pascal Puget,P. Rabou,Joany Andreina Manjarres Ramos,F. Rigal,S. Rochat,Ronald Roelfsema,Gérard Rousset,A. Roux,Bernardo Salasnich,Jean-François Sauvage,Arnaud Sevin,Christian Soenke,Eric Stadler,M. Suarez,Massimo Turatto,L. Weber +141 more
TLDR
In this article, the authors detect a point source within the gap of the transition disk at about 195 mas (~22 au) projected separation and detect a signal from an inner disk component.Abstract:
Context. Young circumstellar disks are the birthplaces of planets. Their study is of prime interest to understand the physical and chemical conditions under which planet formation takes place. Only very few detections of planet candidates within these disks exist, and most of them are currently suspected to be disk features.Aims. In this context, the transition disk around the young star PDS 70 is of particular interest, due to its large gap identified in previous observations, indicative of ongoing planet formation. We aim to search for the presence of an embedded young planet and search for disk structures that may be the result of disk–planet interactions and other evolutionary processes.Methods. We analyse new and archival near-infrared images of the transition disk PDS 70 obtained with the VLT/SPHERE, VLT/NaCo, and Gemini/NICI instruments in polarimetric differential imaging and angular differential imaging modes.Results. We detect a point source within the gap of the disk at about 195 mas (~22 au) projected separation. The detection is confirmed at five different epochs, in three filter bands and using different instruments. The astrometry results in an object of bound nature, with high significance. The comparison of the measured magnitudes and colours to evolutionary tracks suggests that the detection is a companion of planetary mass. The luminosity of the detected object is consistent with that of an L-type dwarf, but its IR colours are redder, possibly indicating the presence of warm surrounding material. Further, we confirm the detection of a large gap of ~54 au in size within the disk in our scattered light images, and detect a signal from an inner disk component. We find that its spatial extent is very likely smaller than ~17 au in radius, and its position angle is consistent with that of the outer disk. The images of the outer disk show evidence of a complex azimuthal brightness distribution which is different at different wavelengths and may in part be explained by Rayleigh scattering from very small grains.Conclusions. The detection of a young protoplanet within the gap of the transition disk around PDS 70 opens the door to a so far observationally unexplored parameter space of planetary formation and evolution. Future observations of this system at different wavelengths and continuing astrometry will allow us to test theoretical predictions regarding planet–disk interactions, planetary atmospheres, and evolutionary models.read more
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Journal ArticleDOI
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
TL;DR: 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.
Journal ArticleDOI
SPHERE: the exoplanet imager for the Very Large Telescope
Jean-Luc Beuzit,Jean-Luc Beuzit,Arthur Vigan,David Mouillet,Kjetil Dohlen,Raffaele Gratton,Anthony Boccaletti,Jean-François Sauvage,Jean-François Sauvage,H. M. Schmid,Maud Langlois,Maud Langlois,Cyril Petit,Andrea Baruffolo,M. Feldt,Julien Milli,Zahed Wahhaj,L. Abe,U. Anselmi,Jacopo 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,Julien Charton,Gael Chauvin,Gael Chauvin,Riccardo Claudi,Anne Costille,V. De Caprio,J. de Boer,A. Delboulbe,Silvano Desidera,Carsten Dominik,Mark Downing,O. Dupuis,Christophe Fabron,Daniela Fantinel,G. Farisato,Philippe Feautrier,Enrico Fedrigo,Thierry Fusco,Thierry Fusco,P. Gigan,Christian Ginski,Christian Ginski,Julien Girard,Julien Girard,Enrico Giro,D. Gisler,L. Gluck,Cecile Gry,Th. Henning,Norbert 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,Patrice 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,P. Rabou,Joany Andreina Manjarres Ramos,J.-M. Reess,F. Rigal,S. Rochat,Ronald Roelfsema,Gérard Rousset,A. Roux,Michel Saisse,Bernardo Salasnich,E. Sant'Ambrogio,Salvo Scuderi,Damien Ségransan,Arnaud Sevin,Ralf Siebenmorgen,Christian Soenke,Eric Stadler,Marcos Suarez,D. Tiphène,Massimo Turatto,Stéphane Udry,Farrokh Vakili,L. B. F. M. Waters,L. B. F. M. Waters,L. Weber,Francois Wildi,Gérard Zins,Alice Zurlo,Alice Zurlo +120 more
TL;DR: The Spectro-Polarimetic High contrast imager for Exoplanets REsearch (SPHERE) was designed and built for the ESO Very Large Telescope (VLT) in Chile as discussed by the authors.
Journal ArticleDOI
The Disk Substructures at High Angular Resolution Project (DSHARP). VII. The Planet–Disk Interactions Interpretation
Shangjia Zhang,Zhaohuan Zhu,Jane Huang,Viviana V. Guzmán,Sean M. Andrews,Tilman Birnstiel,Cornelis P. Dullemond,John M. Carpenter,Andrea Isella,Laura M. Pérez,Myriam Benisty,Myriam Benisty,David J. Wilner,Clément Baruteau,Xue-Ning Bai,Luca Ricci +15 more
TL;DR: In this paper, a grid of 2D hydrodynamical simulations, including both gas and dust components, is carried out to explore the properties of planets that may be responsible for these substructures.
Journal ArticleDOI
Two accreting protoplanets around the young star PDS 70
Sebastiaan Y. Haffert,Alexander J. Bohn,J. de Boer,Ignas Snellen,Jarle Brinchmann,Jarle Brinchmann,Julien Girard,Julien Girard,Christoph U. Keller,Roland Bacon +9 more
TL;DR: In this article, the authors reported on the detection of strong Hα emission from two distinct locations in the PDS 70 system, one corresponding to the previously discovered planet PDS70 b, which confirms the earlier Hα detection, and another located close to the outer edge of the gap.
Journal ArticleDOI
Orbital and atmospheric characterization of the planet within the gap of the PDS 70 transition disk
André Müller,Miriam Keppler,Th. Henning,Matthias Samland,Gael Chauvin,Gael Chauvin,Hervé Beust,Anne-Lise Maire,Karan Molaverdikhani,R. van Boekel,Myriam Benisty,Myriam Benisty,Anthony Boccaletti,M. Bonnefoy,Faustine Cantalloube,Benjamin Charnay,Jean-Loup Baudino,M. Gennaro,Z. C. Long,Anthony Cheetham,Silvano Desidera,M. Feldt,Thierry Fusco,Thierry Fusco,Julien Girard,Julien Girard,R. G. Gratton,Janis Hagelberg,Markus Janson,Markus Janson,Anne-Marie Lagrange,Maud Langlois,Maud Langlois,C. Lazzoni,R. Ligi,Francois Menard,Dino Mesa,Dino Mesa,Michael Meyer,Michael Meyer,P. Mollière,Christoph Mordasini,Thibaut Moulin,A. Pavlov,N. Pawellek,N. Pawellek,Sascha P. Quanz,Joany Andreina Manjarres Ramos,Daniel Rouan,E. Sissa,Eric Stadler,Arthur Vigan,Zahed Wahhaj,L. Weber,Alice Zurlo,Alice Zurlo +55 more
TL;DR: In this article, the spectral properties of PDS 70 b have been characterized using spectrophotometry of the entire near-infrared range (0.96-3.8 μ m).
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David,M. David,P. De Cat,F. de Felice,P. de Laverny,F. De Luise,R. De March,D. de Martino,R. E. de Souza,Jonas Debosscher,E. del Pozo,Marco Delbo,A. Delgado,H. E. Delgado,F. di Marco,P. Di Matteo,S. Diakite,Elisa Distefano,C. Dolding,S. dos Anjos,P. Drazinos,J. Durán,Y. Dzigan,E. Ecale,Bengt Edvardsson,Harry Enke,M. Erdmann,D. Escolar,M. Espina,Nick Evans,G. Eynard Bontemps,C. Fabre,M. Fabrizio,Simchon Faigler,A. J. Falcão,M. Farràs Casas,F. Faye,Luciana Federici,Grigori Fedorets,J. Fernández-Hernández,Pierre Fernique,Agnes Fienga,Francesca Figueras,F. Filippi,K. Findeisen,A. Fonti,Morgan Fouesneau,E. Fraile,Morgan Fraser,J. Fuchs,R. Furnell,Mario Gai,S. Galleti,Laurent Galluccio,D. Garabato,F. García-Sedano,P. Gare,A. Garofalo,N. Garralda,P. Gavras,J. Gerssen,R. Geyer,Gerry Gilmore,S. Girona,G. Giuffrida,M. Gomes,Ana González-Marcos,J. González-Núñez,J. J. González-Vidal,Mikael Granvik,A. Guerrier,Patrick Guillout,J. Guiraud,A. Gúrpide,R. Gutiérrez-Sánchez,Leanne P. Guy,R. Haigron,Despina Hatzidimitriou,Misha Haywood,Ulrike Heiter,Amina Helmi,David Hobbs,W. Hofmann,B. Holl,G. Holland,Julie Ann Hunt,A. Hypki,V. Icardi,Mike Irwin,G. Jevardat de Fombelle,Paula Jofre,Peter G. Jonker,Alain Jorissen,F. Julbe,A. Karampelas,A. Kochoska,R. Kohley,Katrien Kolenberg,E. Kontizas,Sergey E. Koposov,Georges Kordopatis,P. Koubsky,A. Kowalczyk,Alberto Krone-Martins,M. Kudryashova,I. Kull,R. K. Bachchan,F. Lacoste-Seris,Antonino F. Lanza,J.-B. Lavigne,C. Le Poncin-Lafitte,Yveline Lebreton,T. Lebzelter,Silvio Leccia,N. Leclerc,Isabelle Lecoeur-Taïbi,Vincent Lemaitre,H. Lenhardt,F. Leroux,Shilong Liao,E. Licata,H. E. P. Lindstrøm,T. A. Lister,E. Livanou,Alex Lobel,W. Löffler,M. López,A. Lopez-Lozano,D. Lorenz,T. Loureiro,I. MacDonald,T. Magalhães Fernandes,S. Managau,Robert G. Mann,G. Mantelet,O. Marchal,Jon Marchant,Marcella Marconi,J. Marie,S. Marinoni,P. M. Marrese,G. Marschalkó,D. J. Marshall,J. M. Martín-Fleitas,M. Martino,Nicolas Mary,Gal Matijevic,Tsevi Mazeh,Paul J. McMillan,S. Messina,A. Mestre,Daniel Michalik,N. R. Millar,B. M. H. Miranda,D. Molina,Roberto Molinaro,Marco Molinaro,László Molnár,M. Moniez,Paolo Montegriffo,D. Monteiro,R. Mor,A. Mora,Roberto Morbidelli,Thierry Morel,Stephan Morgenthaler,T. Morley,Derek W. Morris,A. F. Mulone,Tatiana Muraveva,Ilaria Musella,J. Narbonne,Gijs Nelemans,Luciano Nicastro,L. Noval,C. Ordenovic,Joaquín Ordieres-Meré,P. Osborne,C. Pagani,Isabella Pagano,F. Pailler,H. Palacin,L. Palaversa,P. Parsons,T. Paulsen,M. Pecoraro,R. Pedrosa,H. Pentikäinen,J. Pereira,B. Pichon,A. M. Piersimoni,F. X. Pineau,Emese Plachy,G. Plum,E. Poujoulet,Andrej Prsa,L. Pulone,S. Ragaini,S. Rago,Nicolas Rambaux,M. Ramos-Lerate,Piero Ranalli,Grégor Rauw,A. M. Read,S. Regibo,F. Renk,Céline Reylé,Rita A. Ribeiro,Lorenzo Rimoldini,Vincenzo Ripepi,Alberto Riva,Guy Rixon,Maroussia Roelens,M. Romero-Gómez,Nicholas Rowell,Frédéric Royer,Anja Rudolph,L. Ruiz-Dern,G. Sadowski,T. Sagristà Sellés,Johannes Sahlmann,Jesus Salgado,E. Salguero,M. Sarasso,H. Savietto,A. Schnorhk,M. Schultheis,Eva Sciacca,M. Segol,J. C. Segovia,Damien Ségransan,E. Serpell,I.-C. Shih,Riccardo Smareglia,Richard L. Smart,Caleb Smith,Enrique Solano,F. Solitro,Rosanna Sordo,Sonia Nieto,J. Souchay,Alessandro Spagna,Federica Spoto,U. Stampa,Iain A. Steele,H. Steidelmüller,C.A. Stephenson,H. Stoev,F. F. Suess,Maria Süveges,Jean Surdej,László Szabados,E. Szegedi-Elek,D. Tapiador,F. Taris,G. Tauran,Mark Taylor,Ramachrisna Teixeira,D. Terrett,Brandon Tingley,Scott Trager,C. Turon,Ana Ulla,E. Utrilla,Gaetano Valentini,A. van Elteren,E. Van Hemelryck,M. van Leeuwen,M. Varadi,Alberto Vecchiato,Jovan Veljanoski,T. Via,D. Vicente,Steven S. Vogt,Holger Voss,Viktor Votruba,S. Voutsinas,G. Walmsley,M. Weiler,K. Weingrill,D. Werner,Thomas Wevers,G. Whitehead,Łukasz Wyrzykowski,A. Yoldas,M. Žerjal,Shay Zucker,C. Zurbach,Tomaz Zwitter,A. Alecu,M. Allen,C. Allende Prieto,António Amorim,Guillem Anglada-Escudé,V. Arsenijevic,S. Azaz,P. Balm,M. Beck,H.-H. Bernstein,Lionel Bigot,Albert Bijaoui,C. Blasco,M. Bonfigli,Giuseppe Bono,Steve Boudreault,Alessandro Bressan,S. Brown,P.-M. Brunet,P. S. Bunclark,R. Buonanno,A. G. Butkevich,C. Carret,C. Carrion,Laurent Chemin,F. Chéreau,Leonardo Corcione,E. Darmigny,K. S. de Boer,P. de Teodoro,P. T. de Zeeuw,C. Delle Luche,Catherine Dominguès,Pierre Dubath,F. Fodor,B. Frézouls,A. Fries,Diego Fustes,D. Fyfe,E. Gallardo,J. Gallegos,Daniele Gardiol,M. Gebran,A. Gomboc,A. E. Gomez,E. Grux,A. Gueguen,A. Heyrovsky,J. Hoar,G. Iannicola,Y. Isasi Parache,A.-M. Janotto,E. Joliet,A. Jonckheere,R. Keil,Dae-Won Kim,Peter Klagyivik,Joakim Klar,J. Knude,Oleg Kochukhov,I. Kolka,Janez Kos,A. Kutka,Valéry Lainey,D. LeBouquin,Chao Liu,Davide Loreggia,Valeri V. Makarov,M. Marseille,Christophe Martayan,O. Martinez-Rubi,B. Massart,F. Meynadier,Shan Mignot,Ulisse Munari,A.-T. Nguyen,Thomas Nordlander,P. Ocvirk,K. S. 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TL;DR: Gaia as discussed by the authors is a cornerstone mission in the science programme of the European Space Agency (ESA). The spacecraft construction was approved in 2006, following a study in which the original interferometric concept was changed to a direct-imaging approach.
Journal ArticleDOI
A Jupiter-Mass Companion to a Solar-Type Star
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TL;DR: The presence of a Jupiter-mass companion to the star 51 Pegasi is inferred from observations of periodic variations in the star's radial velocity as discussed by the authors, which would be well inside the orbit of Mercury in our Solar System.
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