Related papers: Discovery of a warm, dusty giant planet around HIP…

GPI+SPHERE detection of a 6.1 $M_{\text{Jup}}$ circumbinary planet around HD 143811

Owing to its sensitivity to wide-orbit giant exoplanets, direct imaging is uniquely positioned to shed light on the interplay between protoplanetary disks and stellar hosts. In addition to constraining formation models, new detections are…

Earth and Planetary Astrophysics · Physics 2025-10-15 Vito Squicciarini , Johan Mazoyer , Christian Wilkinson , Anne-Marie Lagrange , Philippe Delorme , Alice Radcliffe , Olivier Flasseur , Flavien Kiefer , Evelyne Alecian

Two cold belts in the debris disk around the G-type star NZ Lup

Planetary systems hold the imprint of the formation and of the evolution of planets especially at young ages, and in particular at the stage when the gas has dissipated leaving mostly secondary dust grains. The dynamical perturbation of…

Earth and Planetary Astrophysics · Physics 2019-05-08 A. Boccaletti , P. Thébault , N. Pawellek , A. -M. Lagrange , R. Galicher , S. Desidera , J. Milli , Q. Kral , M. Bonnefoy , J. -C. Augereau , A. -L. Maire , T. Henning , H. Beust , L. Rodet , H. Avenhaus , T. Bhowmik , M. Bonavita , G. Chauvin , A. Cheetham , M. Cudel , M. Feldt , R. Gratton , J. Hagelberg , P. Janin-Potiron , M. Langlois , F. Ménard , D. Mesa , M. Meyer , S. Peretti , C. Perrot , T. Schmidt , E. Sissa , A. Vigan , E. Rickman , Y. Magnard , D. Maurel , O. Moeller-Nilsson , D. Perret , J. -F. Sauvage

The SOPHIE search for northern extrasolar planets. X. Detection and characterization of giant planets by the dozen

We present new radial velocity measurements of eight stars secured with the spectrograph SOPHIE at the 193-cm telescope of the Haute-Provence Observatory allowing the detection and characterization of new giant extrasolar planets. The host…

Earth and Planetary Astrophysics · Physics 2016-04-06 G. Hebrard , L. Arnold , T. Forveille , A. C. M. Correia , J. Laskar , X. Bonfils , I. Boisse , R. F. Diaz , J. Hagelberg , J. Sahlmann , N. C. Santos , N. Astudillo-Defru , S. Borgniet , F. Bouchy , V. Bourrier , B. Courcol , X. Delfosse , M. Deleuil , O. Demangeon , D. Ehrenreich , J. Gregorio , N. Jovanovic , O. Labrevoir , A. -M. Lagrange , C. Lovis , J. Lozi , C. Moutou , G. Montagnier , F. Pepe , J. Rey , A. Santerne , D. Segransan , S. Udry , M. Vanhuysse , A. Vigan , P. A. Wilson

First light of the VLT planet finder SPHERE. III. New spectrophotometry and astrometry of the HR8799 exoplanetary system

The planetary system discovered around the young A-type HR8799 provides a unique laboratory to: a) test planet formation theories, b) probe the diversity of system architectures at these separations, and c) perform comparative…

Earth and Planetary Astrophysics · Physics 2021-02-01 A. Zurlo , A. Vigan , R. Galicher , A. -L. Maire , D. Mesa , R. Gratton , G. Chauvin , M. Kasper , C. Moutou , M. Bonnefoy , S. Desidera , L. Abe , D. Apai , A. Baruffolo , P. Baudoz , J. Baudrand , J. -L. Beuzit , P. Blancard , A. Boccaletti , F. Cantalloube , M. Carle , J. Charton , R. U. Claudi , A. Costille , V. de Caprio , K. Dohlen , C. Dominik , D. Fantinel , P. Feautrier , M. Feldt , T. Fusco , E. Gascone , P. Gigan , J. H. Girard , D. Gissler , L. Gluck , C. Gry , T. Henning , E. Hugot , M. Janson , M. Jacquet , A. -M. Lagrange , M. Langlois , M. Llored , F. Made , Y. Magnard , P. Martinez , D. Maurel , D. Mawet , M. R. Meyer , J. Milli , O. Moeller-Nilsson , D. Mouillet , A. Origné , A. Pavlov , C. Petit , P. Puget , S. P. Quanz , P. Rabou , J. Ramos , A. Roux , B. Salasnich , G. Salter , J. -F. Sauvage , H. M. Schmid , C. Soenke , E. Stadler , M. Suarez , M. Turatto , S. Udry , F. Vakili , Z. Wahhaj , F. Wildi

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems I: High Contrast Imaging of the Exoplanet HIP 65426 b from 2-16 $\mu$m

We present JWST Early Release Science (ERS) coronagraphic observations of the super-Jupiter exoplanet, HIP 65426 b, with the Near-Infrared Camera (NIRCam) from 2-5 $\mu$m, and with the Mid-Infrared Instrument (MIRI) from 11-16 $\mu$m. At a…

Earth and Planetary Astrophysics · Physics 2023-07-12 Aarynn L. Carter , Sasha Hinkley , Jens Kammerer , Andrew Skemer , Beth A. Biller , Jarron M. Leisenring , Maxwell A. Millar-Blanchaer , Simon Petrus , Jordan M. Stone , Kimberly Ward-Duong , Jason J. Wang , Julien H. Girard , Dean C. Hines , Marshall D. Perrin , Laurent Pueyo , William O. Balmer , Mariangela Bonavita , Mickael Bonnefoy , Gael Chauvin , Elodie Choquet , Valentin Christiaens , Camilla Danielski , Grant M. Kennedy , Elisabeth C. Matthews , Brittany E. Miles , Polychronis Patapis , Shrishmoy Ray , Emily Rickman , Steph Sallum , Karl R. Stapelfeldt , Niall Whiteford , Yifan Zhou , Olivier Absil , Anthony Boccaletti , Mark Booth , Brendan P. Bowler , Christine H. Chen , Thayne Currie , Jonathan J. Fortney , Carol A. Grady , Alexandra Z. Greenbaum , Thomas Henning , Kielan K. W. Hoch , Markus Janson , Paul Kalas , Matthew A. Kenworthy , Pierre Kervella , Adam L. Kraus , Pierre-Olivier Lagage , Michael C. Liu , Bruce Macintosh , Sebastian Marino , Mark S. Marley , Christian Marois , Brenda C. Matthews , Dimitri Mawet , Michael W. McElwain , Stanimir Metchev , Michael R. Meyer , Paul Molliere , Sarah E. Moran , Caroline V. Morley , Sagnick Mukherjee , Eric Pantin , Andreas Quirrenbach , Isabel Rebollido , Bin B. Ren , Glenn Schneider , Malavika Vasist , Kadin Worthen , Mark C. Wyatt , Zackery W. Briesemeister , Marta L. Bryan , Per Calissendorff , Faustine Cantalloube , Gabriele Cugno , Matthew De Furio , Trent J. Dupuy , Samuel M. Factor , Jacqueline K. Faherty , Michael P. Fitzgerald , Kyle Franson , Eileen C. Gonzales , Callie E. Hood , Alex R. Howe , Masayuki Kuzuhara , Anne-Marie Lagrange , Kellen Lawson , Cecilia Lazzoni , Ben W. P. Lew , Pengyu Liu , Jorge Llop-Sayson , James P. Lloyd , Raquel A. Martinez , Johan Mazoyer , Paulina Palma-Bifani , Sascha P. Quanz , Jea Adams Redai , Matthias Samland , Joshua E. Schlieder , Motohide Tamura , Xianyu Tan , Taichi Uyama , Arthur Vigan , Johanna M. Vos , Kevin Wagner , Schuyler G. Wolff , Marie Ygouf , Xi Zhang , Keming Zhang , Zhoujian Zhang

Testing giant planet formation in the transitional disk of SAO 206462 using deep VLT/SPHERE imaging

Context. The SAO 206462 (HD 135344B) disk is one of the few known transitional disks showing asymmetric features in scattered light and thermal emission. Near-infrared scattered-light images revealed two bright outer spiral arms and an…

Earth and Planetary Astrophysics · Physics 2017-05-24 A. -L. Maire , T. Stolker , S. Messina , A. Müller , B. A. Biller , T. Currie , C. Dominik , C. A. Grady , A. Boccaletti , M. Bonnefoy , G. Chauvin , R. Galicher , M. Millward , A. Pohl , W. Brandner , T. Henning , A. -M. Lagrange , M. Langlois , M. R. Meyer , S. P. Quanz , A. Vigan , A. Zurlo , R. van Boekel , E. Buenzli , T. Buey , S. Desidera , M. Feldt , T. Fusco , C. Ginski , E. Giro , R. Gratton , N. Hubin , J. Lannier , D. Le Mignant , D. Mesa , S. Peretti , C. Perrot , J. R. Ramos , G. Salter , M. Samland , E. Sissa , E. Stadler , C. Thalmann , S. Udry , L. Weber

An extremely low-density and temperate giant exoplanet

Transiting extrasolar planets are key objects in the study of the formation, migration, and evolution of planetary systems. In particular, the exploration of the atmospheres of giant planets, through transmission spectroscopy or direct…

Earth and Planetary Astrophysics · Physics 2019-11-19 A. Santerne , L. Malavolta , M. R. Kosiarek , F. Dai , C. D. Dressing , X. Dumusque , N. C. Hara , T. A. Lopez , A. Mortier , A. Vanderburg , V. Adibekyan , D. J. Armstrong , D. Barrado , S. C. C. Barros , D. Bayliss , D. Berardo , I. Boisse , A. S. Bonomo , F. Bouchy , D. J. A. Brown , L. A. Buchhave , R. P. Butler , A. Collier Cameron , R. Cosentino , J. D. Crane , I. J. M. Crossfield , M. Damasso , M. R. Deleuil , E. Delgado Mena , O. Demangeon , R. F. Díaz , J. -F. Donati , P. Figueira , B. J. Fulton , A. Ghedina , A. Harutyunyan , G. Hébrard , L. A. Hirsch , S. Hojjatpanah , A. W. Howard , H. Isaacson , D. W. Latham , J. Lillo-Box , M. López-Morales , C. Lovis , A. F. Martinez Fiorenzano , E. Molinari , O. Mousis , C. Moutou , C. Nava , L. D. Nielsen , H. P. Osborn , E. A. Petigura , D. F. Phillips , D. L. Pollacco , E. Poretti , K. Rice , N. C. Santos , D. Ségransan , S. A. Shectman , E. Sinukoff , S. G. Sousa , A. Sozzetti , J. K. Teske , S. Udry , A. Vigan , S. X. Wang , C. A. Watson , L. M. Weiss , P. J. Wheatley , J. N. Winn

Performance of the VLT Planet Finder SPHERE I. Photometry and astrometry precision with IRDIS and IFS in laboratory

The new planet finder for the Very Large Telescope (VLT), the Spectro-Polarimetric High-contrast Exoplanet REsearch (SPHERE), just had its first light in Paranal. A dedicated instrument for the direct detection of planets, SPHERE, is…

Earth and Planetary Astrophysics · Physics 2014-12-03 A. Zurlo , A. Vigan , D. Mesa , R. Gratton , C. Moutou , M. Langlois , R. U. Claudi , L. Pueyo , A. Boccaletti , A. Baruffolo , J. -L. Beuzit , A. Costille , S. Desidera , K. Dohlen , M. Feldt , T. Fusco , T. Henning , M. Kasper , P. Martinez , O. Moeller-Nilsson , D. Mouillet , A. Pavlov , P. Puget , J. -F. Sauvage , M. Turatto , S. Udry , F. Vakili , R. Waters , R. F. Wildi

Neighbours hiding in the Galactic plane - a new M/L dwarf candidate for the 8pc sample

AIMS: Using Wide-field Infrared Survey Explorer (WISE) data and previous optical and near-infrared sky surveys, we try to identify still missing stellar and substellar neighbours of the Sun. METHODS: When checking the brightest red WISE…

Solar and Stellar Astrophysics · Physics 2015-06-17 Ralf-Dieter Scholz

Spectral and atmospheric characterization of 51 Eridani b using VLT/SPHERE

51 Eridani b is an exoplanet around a young (20 Myr) nearby (29.4 pc) F0-type star, recently discovered by direct imaging. Being only 0.5" away from its host star it is well suited for spectroscopic analysis using integral field…

Earth and Planetary Astrophysics · Physics 2017-07-12 M. Samland , P. Mollière , M. Bonnefoy , A. -L. Maire , F. Cantalloube , A. C. Cheetham , D. Mesa , R. Gratton , B. A. Biller , Z. Wahhaj , J. Bouwman , W. Brandner , D. Melnick , J. Carson , M. Janson , T. Henning , D. Homeier , C. Mordasini , M. Langlois , S. P. Quanz , R. van Boekel , A. Zurlo , J. E. Schlieder , H. Avenhaus , A. Boccaletti , M. Bonavita , G. Chauvin , R. Claudi , M. Cudel , S. Desidera , M. Feldt , R. Galicher , T. G. Kopytova , A. -M. Lagrange , H. Le Coroller , D. Mouillet , L. M. Mugnier , C. Perrot , E. Sissa , A. Vigan

Imaging radial velocity planets with SPHERE

We present observations with the planet finder SPHERE of a selected sample of the most promising radial velocity (RV) companions for high-contrast imaging. Using a Monte Carlo simulation to explore all the possible inclinations of the orbit…

Earth and Planetary Astrophysics · Physics 2018-07-25 A. Zurlo , D. Mesa , S. Desidera , S. Messina , R. Gratton , C. Moutou , J. L. Beuzit , B. Biller , A. Boccaletti , M. Bonavita , M. Bonnefoy , T. Bhowmik , W. Brandner , E. Buenzli , G. Chauvin , M. Cudel , V. D'Orazi , M. Feldt , J. Hagelberg , M. Janson , A. M. Lagrange , M. Langlois , J. Lannier , B. Lavie , C. Lazzoni , A. L. Maire , M. Meyer , D. Mouillet , S. Peretti , C. Perrot , P. J. Potiron , G. Salter , T. Schmidt , E. Sissa , A. Vigan , A. Delboulbe , C. Petit , J. Ramos , F. Rigal , S. Rochat

WISE J061213.85-303612.5: a new T-dwarf binary candidate

T and Y-dwarfs are among the coolest and least luminous objects detected, and they can help to understand the properties of giant planets. Their multiplicity properties can shed light on the formation process. We observed a sample six T…

Solar and Stellar Astrophysics · Physics 2015-05-27 N. Huélamo , V. D. Ivanov , R. Kurtev , J. H. Girard , J. Borissova , D. Mawet , K. Muzic , C. Cáceres , C. H. F. Melo , M. F. Sterzik , D. Minniti

Discovery of concentric broken rings at sub-arcsec separations in the HD 141569A gas-rich, debris disk with VLT/SPHERE

Transition disks correspond to a short stage between the young protoplanetary phase and older debris phase. Along this evolutionary sequence, the gas component disappears leaving room for a dust-dominated environment where already-formed…

Earth and Planetary Astrophysics · Physics 2016-05-03 C. Perrot , A. Boccaletti , E. Pantin , J-C. Augereau , A-M. Lagrange , R. Galicher , A-L. Maire , J. Mazoyer , J. Milli , G. Rousset , R. Gratton , M. Bonnefoy , W. Brandner , E. Buenzli , M. Langlois , J. Lannier , D. Mesa , S. Peretti , G. Salter , E. Sissa , G. Chauvin , S. Desidera , M. Feldt , A. Vigan , E. Di Folco , A. Dutrey , J. Péricaud , P. Baudoz , M. Benisty , J. De Boer , A. Garufi , J. H. Girard , F. Menard , J. Olofsson , S. P. Quanz , D. Mouillet , V. Christiaens , S. Casassus , J. -L. Beuzit , P. Blanchard , M. Carle , T. Fusco , E. Giro , N. Hubin , D. Maurel , O. Moeller-Nilsson , A. Sevin , L. Weber

SWIRE: The SIRTF Wide-area InfraRed Extragalactic Survey

The SIRTF Wide-area InfraRed Extragalactic survey (SWIRE), the largest SIRTF Legacy program, is a wide-area, imaging survey to trace the evolution of dusty, star-forming galaxies, evolved stellar populations, and AGN as a function of…

Astrophysics · Physics 2009-11-07 Carol J. Lonsdale , Harding E. Smith , Michael Rowan-Robinson , Jason Surace , David Shupe , Cong Xu , Seb Oliver , Deborah Padgett , Fan Fang , Alberto Franceschini , Nick Gautier , Matt Griffin , Frank Masci , Glenn Morrison , JoAnn O'Linger , Ismael Perez-Fournon , Marguerite Pierre , Richard Puetter , Gordon Stacey

Bringing high-spectral resolution to VLT/SPHERE with a fibre coupling to VLT/CRIRES+

Atmospheric composition provides essential markers of the most fundamental properties of giant exoplanets, such as their formation mechanism or internal structure. New-generation exoplanet imagers, like VLT/SPHERE or Gemini/GPI, have been…

Instrumentation and Methods for Astrophysics · Physics 2018-06-29 A. Vigan , G. P. P. L. Otten , E. Muslimov , K. Dohlen , M. W. Phillips , U. Seemann , J. -L. Beuzit , R. Dorn , M. Kasper , D. Mouillet , I. Baraffe , A. Reiners

High-Contrast study of the candidate planets and protoplanetary disk around HD~100546

The nearby Herbig Be star HD100546 is known to be a laboratory for the study of protoplanets and their relation with the circumstellar disk that is carved by at least 2 gaps. We observed the HD100546 environment with high contrast imaging…

Earth and Planetary Astrophysics · Physics 2018-11-21 E. Sissa , R. Gratton , A. Garufi , E. Rigliaco , A. Zurlo , D. Mesa , M. Langlois , J. de Boer , S. Desidera , C. Ginski , A. -M. Lagrange , A. -L. Maire , A. Vigan , M. Dima , J. Antichi , A. Baruffolo , A. Bazzon , M. Benisty , J. -L. Beuzit , B. Biller , A. Boccaletti , M. Bonavita , M. Bonnefoy , W. Brandner , P. Bruno , E. Buenzli , E. Cascone , G. Chauvin , A. Cheetham , R. U. Claudi , M. Cudel , V. De Caprio , C. Dominik , D. Fantinel , G. Farisato , M. Feldt , C. Fontanive , R. Galicher , E. Giro , J. Hagelberg , S. Incorvaia , M. Janson , M. Kasper , M. Keppler , T. Kopytova , E. Lagadec , J. Lannier , C. Lazzoni , H. LeCoroller , L. Lessio , R. Ligi , F. Marzari , F. Menard , M. R. Meyer , D. Mouillet , S. Peretti , C. Perrot , P. J. Potiron , D. Rouan , B. Salasnich , G. Salter , M. Samland , T. Schmidt , S. Scuderi , F. Wildi

A survey of the linear polarization of directly imaged exoplanets and brown dwarf companions with SPHERE-IRDIS. First polarimetric detections revealing disks around DH Tau B and GSC 6214-210 B

Young giant planets and brown dwarf companions emit near-infrared radiation that can be linearly polarized up to several percent. This polarization can reveal the presence of a circumsubstellar accretion disk, rotation-induced oblateness of…

Earth and Planetary Astrophysics · Physics 2021-03-03 R. G. van Holstein , T. Stolker , R. Jensen-Clem , C. Ginski , J. Milli , J. de Boer , J. H. Girard , Z. Wahhaj , A. J. Bohn , M. A. Millar-Blanchaer , M. Benisty , M. Bonnefoy , G. Chauvin , C. Dominik , S. Hinkley , C. U. Keller , M. Keppler , M. Langlois , S. Marino , F. Ménard , C. Perrot , T. O. B. Schmidt , A. Vigan , A. Zurlo , F. Snik

VLT/SPHERE exploration of the young multiplanetary system PDS70

Context. PDS 70 is a young (5.4 Myr), nearby (~113 pc) star hosting a known transition disk with a large gap. Recent observations with SPHERE and NACO in the near-infrared (NIR) allowed us to detect a planetary mass companion, PDS70b,…

Earth and Planetary Astrophysics · Physics 2019-11-27 D. Mesa , M. Keppler , F. Cantalloube , L. Rodet , B. Charnay , R. Gratton , M. Langlois , A. Boccaletti , M. Bonnefoy , A. Vigan , O. Flasseur , J. Bae , M. Benisty , G. Chauvin , J. de Boer , S. Desidera , T. Henning , A. -M. Lagrange , M. Meyer , J. Milli , A. Muller , B. Pairet , A. Zurlo , S. Antoniucci , J. -L. Baudino , S. Brown Sevilla , E. Cascone , A. Cheetham , R. U. Claudi , P. Delorme , V. D'Orazi , M. Feldt , J. Hagelberg , M. Janson , Q. Kral , E. Lagadec , C. Lazzoni , R. Ligi , A. -L. Maire , P. Martinez , F. Menard , N. Meunier , C. Perrot , S. Petrus , C. Pinte , E. L. Rickman , S. Rochat , D. Rouan , M. Samland , J. -F. Sauvage , T. Schmidt , S. Udry , L. Weber , F. Wildi

HARPS-N, TESS, and CHEOPS discover a transiting sub-Neptune and two outer companions around the bright solar analogue HD 85426

We provide a detailed characterisation of the planetary system orbiting HD 85426 (TOI-1774). This bright G-type star ($M_{\ast}$: 0.99 $\text{M}_{\odot}$; $R_{\ast}$: 1.13 $\text{R}_{\odot}$; age: 7.4 Gyr; V mag: 8.25) hosts a transiting…

Earth and Planetary Astrophysics · Physics 2025-11-12 F. Lienhard , A. Mortier , A. Collier Cameron , M. Cretignier , L. Borsato , A. Anna John , J. A. Egger , M. Stalport , T. G. Wilson , A. Deline , A. Fortier , D. W. Latham , L. Malavolta , P. F. L. Maxted , S. G. Sousa , S. L. Grimm , L. Buchhave , Y. Alibert , B. S. Lakeland , X. Dumusque , J. Cabrera , L. Naponiello , A. C. M. Correia , F. Rescigno , L. Fossati , A. Sozzetti , R. Alonso , T. Bárczy , D. Barrado , S. C. C. Barros , W. Baumjohann , W. Benz , N. Billot , A. Brandeker , C. Broeg , K. Collins , Sz. Csizmadia , P. E. Cubillos , M. B. Davies , M. Deleuil , O. D. S. Demangeon , B. -O. Demory , A. Derekas , B. Edwards , D. Ehrenreich , A. Erikson , M. Fridlund , D. Gandolfi , K. Gazeas , M. Gillon , M. Güdel , M. N. Günther , R. Haywood , A. Heitzmann , Ch. Helling , K. G. Isaak , J. M. Jenkins , L. L. Kiss , J. Korth , K. W. F. Lam , J. Laskar , A. Lecavelier des Etangs , A. Leleu , M. Lendl , D. Magrin , A. F. Martínez Fiorenzano , B. Merín , C. Mordasini , V. Nascimbeni , G. Olofsson , H. P. Osborn , R. Ottensamer , I. Pagano , L. Palethorpe , E. Pallé , G. Peter , D. Piazza , G. Piotto , D. Pollacco , D. Queloz , R. Ragazzoni , N. Rando , H. Rauer , I. Ribas , K. Rice , N. C. Santos , G. Scandariato , D. Ségransan , A. E. Simon , A. M. S. Smith , S. Sulis , Gy. M. Szabó , S. Udry , S. Ulmer-Moll , V. Van Grootel , J. Venturini , E. Villaver , N. A. Walton , T. Zingales

Search for giant planets around seven white dwarfs in the Hyades cluster with the Hubble Space Telescope

Only a small number of exoplanets has been identified in stellar cluster environments. We initiated a high angular resolution direct imaging search using the Hubble Space Telescope (HST) and its NICMOS instrument for self-luminous giant…

Earth and Planetary Astrophysics · Physics 2020-11-10 Wolfgang Brandner , Hans Zinnecker , Taisiya Kopytova