Related papers: GRAVITY+ Wide: Towards hundreds of z $\sim$ 2 AGN

First Light for GRAVITY Wide: Large Separation Fringe Tracking for the Very Large Telescope Interferometer

GRAVITY+ is the upgrade of GRAVITY and the Very Large Telescope Interferometer (VLTI) with wide-separation fringe tracking, new adaptive optics, and laser guide stars on all four 8~m Unit Telescopes (UTs), for ever fainter, all-sky, high…

Instrumentation and Methods for Astrophysics · Physics 2022-09-14 GRAVITY+ Collaboration , : , R. Abuter , F. Allouche , A. Amorim , C. Bailet , M. Bauböck , J. -P. Berger , P. Berio , A. Bigioli , O. Boebion , M. L. Bolzer , H. Bonnet , G. Bourdarot , P. Bourget , W. Brandner , Y. Clénet , B. Courtney-Barrer , Y. Dallilar , R. Davies , D. Defrère , A. Delboulbé , F. Delplancke , R. Dembet , P. T. de Zeeuw , A. Drescher , A. Eckart , C. Édouard , F. Eisenhauer , M. Fabricius , H. Feuchtgruber , G. Finger , N. M. Förster Schreiber , E. Garcia , P. Garcia , F. Gao , E. Gendron , R. Genzel , J. P. Gil , S. Gillessen , T. Gomes , F. Gonté , C. Gouvret , P. Guajardo , S. Guieu , M. Hartl , X. Haubois , F. Haußmann , G. Heißel , Th. Henning , S. Hippler , S. Hönig , M. Horrobin , N. Hubin , E. Jacqmart , L. Jochum , L. Jocou , A. Kaufer , P. Kervella , H. Korhonen , L. Kreidberg , S. Lacour , S. Lagarde , O. Lai , V. Lapeyrère , R. Laugier , J. -B. Le Bouquin , J. Leftley , P. Léna , D. Lutz , F. Mang , A. Marcotto , D. Maurel , A. Mérand , F. Millour , N. More , H. Nowacki , M. Nowak , S. Oberti , T. Ott , L. Pallanca , T. Paumard , K. Perraut , G. Perrin , R. Petrov , O. Pfuhl , N. Pourré , S. Rabien , C. Rau , S. Robbe-Dubois , S. Rochat , M. Salman , M. Schöller , J. Schubert , N. Schuhler , J. Shangguan , T. Shimizu , S. Scheithauer , A. Sevin , F. Soulez , A. Spang , E. Stadler , J. Stadler , C. Straubmeier , E. Sturm , L. J. Tacconi , K. R. W. Tristram , F. Vincent , S. von Fellenberg , S. Uysal , F. Widmann , E. Wieprecht , E. Wiezorrek , J. Woillez , S. Yazici , A. Young , G. Zins

The GRAVITY+ Project: Towards All-sky, Faint-Science, High-Contrast Near-Infrared Interferometry at the VLTI

The GRAVITY instrument has been revolutionary for near-infrared interferometry by pushing sensitivity and precision to previously unknown limits. With the upgrade of GRAVITY and the Very Large Telescope Interferometer (VLTI) in GRAVITY+,…

Instrumentation and Methods for Astrophysics · Physics 2023-07-12 GRAVITY+ Collaboration , : , Roberto Abuter , Patricio Alarcon , Fatme Allouche , Antonio Amorim , Christophe Bailet , Helen Bedigan , Anthony Berdeu , Jean-Philippe Berger , Philippe Berio , Azzurra Bigioli , Richard Blaho , Olivier Boebion , Marie-Lena Bolzer , Henri Bonnet , Guillaume Bourdarot , Pierre Bourget , Wolfgang Brandner , Cesar Cardenas , Ralf Conzelmann , Mauro Comin , Yann Clénet , Benjamin Courtney-Barrer , Yigit Dallilar , Ric Davies , Denis Defrère , Alain Delboulbé , Françoise Delplancke-Ströbele , Roderick Dembet , Tim de Zeeuw , Antonia Drescher , Andreas Eckart , Clemence Édouard , Frank Eisenhauer , Maximilian Fabricius , Helmut Feuchtgruber , Gert Finger , Natascha M. Förster Schreiber , Eloy Fuenteseca , Enrique Garcia , Paulo Garcia , Feng Gao , Eric Gendron , Reinhard Genzel , Juan Pablo Gil , Stefan Gillessen , Tiago Gomes , Frédéric Gonté , Carole Gouvret , Patricia Guajardo , Ivan Guidolin , Sylvain Guieu , Ronald Guzmann , Wolfgang Hackenberg , Nicolas Haddad , Michael Hartl , Xavier Haubois , Frank Haußmann , Gernot Heißel , Thomas Henning , Stefan Hippler , Sebastian Hönig , Matthew Horrobin , Norbert Hubin , Estelle Jacqmart , Laurent Jocou , Andreas Kaufer , Pierre Kervella , Jean-Paul Kirchbauer , Johan Kolb , Heidi Korhonen , Laura Kreidberg , Peter Krempl , Sylvestre Lacour , Stephane Lagarde , Olivier Lai , Vincent Lapeyrère , Romain Laugier , Jean-Baptiste Le Bouquin , James Leftley , Pierre Léna , Steffan Lewis , Dieter Lutz , Yves Magnard , Felix Mang , Aurelie Marcotto , Didier Maurel , Antoine Mérand , Florentin Millour , Nikhil More , Hugo Nowack , Matthias Nowak , Sylvain Oberti , Francisco Olivares , Thomas Ott , Laurent Pallanca , Thibaut Paumard , Karine Perraut , Guy Perrin , Romain Petrov , Oliver Pfuhl , Nicolas Pourré , Sebastian Rabien , Christian Rau , Miguel Riquelme , Sylvie Robbe-Dubois , Sylvain Rochat , Muhammad Salman , Malte Scherbarth , Markus Schöller , Joseph Schubert , Nicolas Schuhler , Jinyi Shangguan , Pavel Shchekaturov , Taro Shimizu , Silvia Scheithauer , Arnaud Sevin , Christian Soenke , Ferreol Soulez , Alain Spang , Eric Stadler , Christian Straubmeier , Eckhard Sturm , Calvin Sykes , Linda Tacconi , Helmut Tischer , Konrad Tristram , Frédéric Vincent , Sebastiano von Fellenberg , Sinem Uysal , Felix Widmann , Ekkehard Wieprecht , Erich Wiezorrek , Julien Woillez , Şenol Yazıcı , Gérard Zins

Spectroscopic AGN survey at $z$ $\sim$ 2 with NTT/SOFI for GRAVITY+ observations

With the advent of GRAVITY+, the upgrade to the beam combiner GRAVITY at the Very Large Telescope Interferometer (VLTI), fainter and higher redshift active galactic nuclei (AGNs) are becoming observable, opening an unprecedented opportunity…

Astrophysics of Galaxies · Physics 2025-04-02 D. J. D. Santos , T. Shimizu , R. Davies , Y. Cao , J. Dexter , P. T. de Zeeuw , F. Eisenhauer , N. M. Förster-Schreiber , H. Feuchtgruber , R. Genzel , S. Gillessen , L. Kuhn , D. Lutz , T. Ott , S. Rabien , J. Shangguan , E. Sturm , L. J. Tacconi

GRAVITY: the VLTI 4-beam combiner for narrow-angle astrometry and interferometric imaging

GRAVITY is the second generation Very Large Telescope Interferometer instrument for precision narrow-angle astrometry and interferometric imaging in the Near Infra-Red (NIR). It shall provide precision astrometry of order 10…

Instrumentation and Methods for Astrophysics · Physics 2015-03-26 N. Blind , F. Eisenhauer , S. Gillessen , Y. Kok , M. Lippa , G. Perrin , R. Dembet , P. Fedou , S. Lacour , K. Perraut , L. Jocou , L. Burtscher , O. Hans , M. Haug , F. Haussmann , S. Huber , A. Janssen , S. Kellner , T. Ott , O. Pfuhl , E. Sturm , J. Weber , E. Wieprecht , A. Amorim , W. Brandner , C. Straubmeier

GRAVITY: The adaptive optics assisted, two object beam combiner for the VLTI

We present the adaptive optics assisted, near-infrared VLTI instrument - GRAVITY - for precision narrow-angle astrometry and interferometric phase referenced imaging of faint objects. Precision astrometry and phase-referenced…

Astrophysics · Physics 2009-11-11 S. Gillessen , G. Perrin , W. Brandner , C. Straubmeier , F. Eisenhauer , S. Rabien , A. Eckart , P. Lena , R. Genzel , T. Paumard , S. Hippler

GRAVITY: a four-telescope beam combiner instrument for the VLTI

GRAVITY is an adaptive optics assisted Beam Combiner for the second generation VLTI instrumentation. The instrument will provide high-precision narrow-angle astrometry and phase-referenced interferometric imaging in the astronomical K-band…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 S. Gillessen , F. Eisenhauer , G. Perrin , W. Brandner , C. Straubmeier , K. Perraut , A. Amorim , M. Schöller , C. Araujo-Hauck , H. Bartko , H. Baumeister , J. -P. Berger , P. Carvas , F. Cassaing , F. Chapron , E. Choquet , Y. Clenet , C. Collin , A. Eckart , P. Fedou , S. Fischer , E. Gendron , R. Genzel , P. Gitton , F. Gonte , A. Gräter , P. Haguenauer , M. Haug , X. Haubois , T. Henning , S. Hippler , R. Hofmann , L. Jocou , S. Kellner , P. Kervella , R. Klein , N. Kudryavtseva , S. Lacour , V. Lapeyrere , W. Laun , P. Lena , R. Lenzen , J. Lima , D. Moch , D. Moratschke , T. Moulin , V. Naranjo , U. Neumann , A. Nolot , T. Paumard , O. Pfuhl , S. Rabien , J. Ramos , J. M. Rees , R. -R. Rohloff , D. Rouan , G. Rousset , A. Sevin , M. Thiel , K. Wagner , M. Wiest , S. Yazici , D. Ziegler

Kilometer-baseline interferometry: science drivers for the next generation instrument

Infrared interferometry has seen a revolution over the last few years. The advent of GRAVITY+ is about to enable high-contrast observations, all-sky coverage and faint science up to K=21, with the implementation on 8m-class telescope of…

Instrumentation and Methods for Astrophysics · Physics 2024-10-30 G. Bourdarot , F. Eisenhauer

GRAVITY: The AO-Assisted, Two-Object Beam-Combiner Instrument

We present the proposal for the infrared adaptive optics (AO) assisted, two-object, high-throughput, multiple-beam-combiner GRAVITY for the VLTI. This instrument will be optimized for phase-referenced interferometric imaging and…

Astrophysics · Physics 2007-05-23 F. Eisenhauer , G. Perrin , S. Rabien , A. Eckart , P. Lena , R. Genzel , R. Abuter , T. Paumard , W. Brandner

GRAVITY: metrology

GRAVITY is a second generation VLTI instrument, combining the light of four telescopes and two objects simultaneously. The main goal is to obtain astrometrically accurate information. Besides correctly measured stellar phases this requires…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 S. Gillessen , M. Lippa , F. Eisenhauer , O. Pfuhl , M. Haug , S. Kellner , T. Ott , E. Wieprecht , E. Sturm , F. Haussmann , C. F. Kister , D. Moch , M. Thiel

Potential and sky coverage for off-axis fringe tracking in optical long baseline interferometry

The spectacular results provided by the second-generation VLTI instruments GRAVITY and MATISSE on active galactic nuclei (AGN) trigger and justify a strong increase in the sensitivity limit of optical interferometers. A key component of…

Instrumentation and Methods for Astrophysics · Physics 2021-07-15 Abdelkarim Boskri , Romain G. Petrov , Thami El Halkouj , Massinissa Hadjara , James Leftley , Zouhair Benkhaldoun , Pierre Cruzalèbes , Aziz Ziad , Marcel Carbillet

Upgrading the GRAVITY fringe tracker for GRAVITY+: Tracking the white light fringe in the non-observable Optical Path Length state-space

Aims. As part of the ongoing GRAVITY+ upgrade of the Very Large Telescope Interferometer infrastructure, we aim to improve the performance of the GRAVITY Fringe-Tracker, and to enable its use by other instruments. Methods. We modify the…

Instrumentation and Methods for Astrophysics · Physics 2024-02-07 M. Nowak , S. Lacour , R. Abuter , J. Woillez , R. Dembet , M. S. Bordoni , G. Bourdarot , B. Courtney-Barrer , D. Defrère , A. Drescher , F. Eisenhauer , M. Fabricius , H. Feuchtgruber , R. Frahm , P. Garcia , S. Gillessen , V. Gopinath , J. Graf , S. Hoenig , L. Kreidberg , R. Laugier , J. B. Le Bouquin , D. Lutz , F. Mang , F. Millour , N. More , N. Morujão , T. Ott , T. Paumard , G. Perrin , C. Rau , D. C. Ribeiro , J. Shangguan , T. Shimizu , F. Soulez , C. Straubmeier , F. Widmann , B. Wolff

GRAVITY: beam stabilization and light injection subsystems

We present design results of the 2nd generation VLTI instrument GRAVITY beam stabilization and light injection subsystems. Designed to deliver micro-arcsecond astrometry, GRAVITY requires an unprecedented stability of the VLTI optical…

Instrumentation and Methods for Astrophysics · Physics 2012-12-21 O. Pfuhl , M. Haug , F. Eisenhauer , D. Penka , A. Amorim , S. Kellner , S. Gillessen , T. Ott , E. Wieprecht , E. Sturm , F. Haussmann , M. Lippa

First Light for GRAVITY: Phase Referencing Optical Interferometry for the Very Large Telescope Interferometer

GRAVITY 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…

Instrumentation and Methods for Astrophysics · Physics 2017-06-21 GRAVITY Collaboration , R. Abuter , M. Accardo , A. Amorim , N. Anugu , G. Ávila , N. Azouaoui , M. Benisty , J. P. Berger , N. Blind , H. Bonnet , P. Bourget , W. Brandner , R. Brast , A. Buron , L. Burtscher , F. Cassaing , F. Chapron , É. Choquet , Y. Clénet , C. Collin , V. Coudé du Foresto , W. de Wit , P. T. de Zeeuw , C. Deen , F. Delplancke-Ströbele , R. Dembet , F. Derie , J. Dexter , G. Duvert , M. Ebert , A. Eckart , F. Eisenhauer , M. Esselborn , P. Fédou , G. Finger , P. Garcia , C. E. Garcia Dabo , R. Garcia Lopez , E. Gendron , R. Genzel , S. Gillessen , F. Gonte , P. Gordo , M. Grould , U. Grözinger , S. Guieu , P. Haguenauer , O. Hans , X. Haubois , M. Haug , F. Haussmann , Th. Henning , S. Hippler , M. Horrobin , A. Huber , Z. Hubert , N. Hubin , C. A. Hummel , G. Jakob , A. Janssen , L. Jochum , L. Jocou , A. Kaufer , S. Kellner , L. Kern , P. Kervella , M. Kiekebusch , R. Klein , Y. Kok , J. Kolb , M. Kulas , S. Lacour , V. Lapeyrère , B. Lazareff , J. -B. Le Bouquin , P. Lèna , R. Lenzen , S. Lévêque , M. Lippa , Y. Magnard , L. Mehrgan , M. Mellein , A. Mérand , J. Moreno-Ventas , T. Moulin , E. Müller , F. Müller , U. Neumann , S. Oberti , T. Ott , L. Pallanca , J. Panduro , L. Pasquini , T. Paumard , I. Percheron , K. Perraut , G. Perrin , A. Pflüger , O. Pfuhl , T. Phan Duc , P. M. Plewa , D. Popovic , S. Rabien , A. Ramírez , J. Ramos , C. Rau , M. Riquelme , R. -R. Rohloff , G. Rousset , J. Sanchez-Bermudez , S. Scheithauer , M. Schöller , N. Schuhler , J. Spyromilio , C. Straubmeier , E. Sturm , M. Suarez , K. R. W. Tristram , N. Ventura , F. Vincent , I. Waisberg , I. Wank , J. Weber , E. Wieprecht , M. Wiest , E. Wiezorrek , M. Wittkowski , J. Woillez , B. Wolff , S. Yazici , D. Ziegler , G. Zins

GRAVITY: getting to the event horizon of Sgr A*

We present the second-generation VLTI instrument GRAVITY, which currently is in the preliminary design phase. GRAVITY is specifically designed to observe highly relativistic motions of matter close to the event horizon of Sgr A*, the…

Astrophysics · Physics 2009-11-13 F. Eisenhauer , G. Perrin , W. Brandner , C. Straubmeier , A. Richichi , S. Gillessen , J. P. Berger , S. Hippler , A. Eckart , M. Schoeller , S. Rabien , F. Cassaing , R. Lenzen , M. Thiel , Y. Clenet , J. R. Ramos , S. Kellner , P. Fedou , H. Baumeister , R. Hofmann , E. Gendron , A. Boehm , H. Bartko , X. Haubois , R. Klein , K. Dodds-Eden , K. Houairi , F. Hormuth , A. Graeter , L. Jocou , V. Naranjo , R. Genzel , P. Kervella , T. Henning , N. Hamaus , S. Lacour , U. Neumann , M. Haug , F. Malbet , W. Laun , J. Kolmeder , T. Paumard , R. -R. Rohloff , O. Pfuhl , K. Perraut , J. Ziegleder , D. Rouan , G. Rousset

The GRAVITY instrument software / High-level software

GRAVITY is the four-beam, near- infrared, AO-assisted, fringe tracking, astrometric and imaging instrument for the Very Large Telescope Interferometer (VLTI). It is requiring the development of one of the most complex instrument software…

Instrumentation and Methods for Astrophysics · Physics 2015-01-26 Leonard Burtscher , Ekkehard Wieprecht , Thomas Ott , Yitping Kok , Senol Yazici , Narsireddy Anugu , Roderick Dembet , Pierre Fedou , Sylvestre Lacour , Juergen Ott , Thibaut Paumard , Vincent Lapeyrere , Pierre Kervella , Roberto Abuter , Eszter Pozna , Frank Eisenhauer , Nicolas Blind , Reinhard Genzel , Stefan Gillessen , Oliver Hans , Marcus Haug , Frank Haussmann , Stefan Kellner , Magdalena Lippa , Oliver Pfuhl , Eckhard Sturm , Johannes Weber , Antonio Amorim , Wolfgang Brandner , Karine Rousselet-Perraut , Guy S. Perrin , Christian Straubmeier , Markus Schoeller

Improved GRAVITY astrometric accuracy from modeling of optical aberrations

The GRAVITY instrument on the ESO VLTI pioneers the field of high-precision near-infrared interferometry by providing astrometry at the $10 - 100\,\mu$as level. Measurements at such high precision crucially depend on the control of…

Astrophysics of Galaxies · Physics 2021-03-10 GRAVITY Collaboration , R. Abuter , A. Amorim , M. Bauböck , J. P. Berger , H. Bonnet , W. Brandner , Y. Clénet , R. Davies , P. T. de Zeeuw , J. Dexter , Y. Dallilar , A. Drescher , A. Eckart , F. Eisenhauer , N. M. Förster Schreiber , P. Garcia , F. Gao , E. Gendron , R. Genzel , S. Gillessen , M. Habibi , X. Haubois , G. Heißel , T. Henning , S. Hippler , M. Horrobin , A. Jiménez-Rosales , L. Jochum , L. Jocou , A. Kaufer , P. Kervella , S. Lacour , V. Lapeyrère , J. -B. Le Bouquin , P. Léna , D. Lutz , M. Nowak , T. Ott , T. Paumard , K. Perraut , G. Perrin , O. Pfuhl , S. Rabien , G. Rodríguez-Coira , J. Shangguan , T. Shimizu , S. Scheithauer , J. Stadler , O. Straub , C. Straubmeier , E. Sturm , L. J. Tacconi , F. Vincent , S. von Fellenberg , I. Waisberg , F. Widmann , E. Wieprecht , E. Wiezorrek , J. Woillez , S. Yazici , A. Young , G. Zinsınst{9}

High contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to light

Since 2019, GRAVITY has provided direct observations of giant planets and brown dwarfs at separations of down to 95 mas from the host star. Some of these observations have provided the first direct confirmation of companions previously…

Instrumentation and Methods for Astrophysics · Physics 2024-06-07 N. Pourré , T. O. Winterhalder , J. -B. Le Bouquin , S. Lacour , A. Bidot , M. Nowak , A. -L. Maire , D. Mouillet , C. Babusiaux , J. Woillez , R. Abuter , A. Amorim , R. Asensio-Torres , W. O. Balmer , M. Benisty , J. -P. Berger , H. Beust , S. Blunt , A. Boccaletti , M. Bonnefoy , H. Bonnet , M. S. Bordoni , G. Bourdarot , W. Brandner , F. Cantalloube , P. Caselli , B. Charnay , G. Chauvin , A. Chavez , E. Choquet , V. Christiaens , Y. Clénet , V. Coudé du Foresto , A. Cridland , R. Davies , D. Defrère , R. Dembet , J. Dexter , A. Drescher , G. Duvert , A. Eckart , F. Eisenhauer , N. M. Föster Schreiber , P. Garcia , R. Garcia Lopez , E. Gendron , R. Genzel , S. Gillessen , J. H. Girard , F. Gonte , S. Grant , X. Haubois , G. Heißel , Th. Henning , S. Hinkley , S. Hippler , S. F. Hönig , M. Houllé , Z. Hubert , L. Jocou , J. Kammerer , M. Kenworthy , M. Keppler , P. Kervella , L. Kreidberg , N. T. Kurtovic , A. -M. Lagrange , V. Lapeyrère , D. Lutz , F. Mang , G. -D. Marleau , A. Mérand , F. Millour , P. Mollière , J. D. Monnier , C. Mordasini , E. Nasedkin , S. Oberti , T. Ott , G. P. L. Otten , C. Paladini , T. Paumard , K. Perraut , G. Perrin , O. Pfuhl , L. Pueyo , D. C. Ribeiro , E. Rickman , Z. Rustamkulov , J. Shangguan , T. Shimizu , D. Sing , F. Soulez , J. Stadler , T. Stolker , O. Straub , C. Straubmeier , E. Sturm , C. Sykes , L. J. Tacconi , E. F. van Dishoeck , A. Vigan , F. Vincent , S. D. von Fellenberg , J. Wang , F. Widmann , S. Yazici , the GRAVITY Collaboration , J. A. Abad , E. Aller Carpentier , J. Alonso , L. Andolfato , P. Barriga , J. -L. Beuzit , P. Bourget , R. Brast , L. Caniguante , E. Cottalorda , P. Darré , B. Delabre , A. Delboulbé , F. Delplancke-Ströbele , R. Donaldson , R. Dorn , C. Dupuy , S. Egner , G. Fischer , C. Frank , E. Fuenteseca , P. Gitton , T. Guerlet , S. Guieu , P. Gutierrez , P. Haguenauer , A. Haimerl , C. T. Heritier , S. Huber , N. Hubin , P. Jolley , J. -P. Kirchbauer , J. Kolb , J. Kosmalski , P. Krempl , M. Le Louarn , P. Lilley , B. Lopez , Y. Magnard , S. Mclay , A. Meilland , A. Meister , T. Moulin , L. Pasquini , J. Paufique , I. Percheron , L. Pettazzi , D. Phan , W. Pirani , J. Quentin , A. Rakich , R. Ridings , J. Reyes , S. Rochat , C. Schmid , N. Schuhler , P. Shchekaturov , M. Seidel , C. Soenke , E. Stadler , C. Stephan , M. Suárez , M. Todorovic , G. Valdes , C. Verinaud , G. Zins , S. Zúñiga-Fernández , the NAOMI Collaboration

Optimizing Long-term Variability of AGN Light Curves. I. A Case Study with ZTF Observations in the EGS Field

Optical variability is a key observational probe for studying the accretion dynamics and central engine physics of Active Galactic Nuclei (AGNs). The quality and completeness of light curves have a direct impact on variability studies,…

Astrophysics of Galaxies · Physics 2025-10-31 Jiaqi Lin , Zhen-Ya Zheng , Bin Ma , Lin Long , Yangfan Xie , Pu Lin , Ruqiu Lin , Xiang Ji

GRAVITY for MATISSE -- Improving the MATISSE performance with the GRAVITY fringe tracker

Context: MATISSE, the mid-infrared spectro-imaging instrument of VLTI, was designed to deliver its advertised performance when paired with an external second generation fringe tracker. Science observation started in 2019, demonstrating…

Instrumentation and Methods for Astrophysics · Physics 2024-08-21 J. Woillez , R. Petrov , R. Abuter , F. Allouche , P. Berio , R. Dembet , F. Eisenhauer , R. Frahm , F. Gonté , X. Haubois , M. Houllé , W. Jaffe , S. Lacour , S. Lagarde , J. Leftley , B. Lopez , A. Matter , A. Meilland , F. Millour , M. Nowak , C. Paladini , T. Rivinius , D. Salabert , N. Schuhler , J. Varga , G. Zins

First Light for the GRAVITY+ Adaptive Optics: Extreme Adaptive Optics for the Very Large Telescope Interferometer

GRAVITY+ improves by orders of magnitude the sensitivity, sky-coverage and contrast of the Very Large Telescope Interferometer (VLTI). A central part of this project is the development of Gravity Plus Adaptive Optics (GPAO), a dedicated…

Instrumentation and Methods for Astrophysics · Physics 2026-03-11 GRAVITY+ Collaboration , : , F. Allouche , C. Bailet , M. Benisty , A. Berdeu , J. -P. Berger , P. Berio , A. Bigioli , C. Blanchard , O. Boebion , H. Bonnet , G. Bourdarot , P. Bourget , W. Brandner , J. Brulé , P. Burgos , M. Carbillet , C. Correia , B. Courtney Barrer , S. Curaba , R. Davies , D. Defrère , A. Delboulbé , F. Delplancke , R. Dembet , A. Drescher , N. Dubost , A. Eckart , C. Édouard , F. Eisenhauer , L. Esteras Otal , M. Fabricius , H. Feuchtgruber , P. Fédou , G. Finger , N. M. Förster Schreiber , R. Frahm , E. Garcia , P. Garcia , R. Garcia Lopez , R. Genzel , J. P. Gil , S. Gillessen , T. Gomes , F. Gonté , V. Gopinath , C. Gouvret , J. Graf , P. Guajardo , S. Guieu , W. Hackenberg , M. Hartl , X. Haubois , F. Haußmann , T. Henning , P. Hibon , S. Hönig , M. Horrobin , M. Houllé , N. Hubin , I. Ibn Taieb , L. Jochum , L. Jocou , A. Jost , J. Kammerer , L. Karl , A. Kaufer , P. Kern , P. Kervella , J. Kolb , H. Korhonen , L. Kreidberg , P. Krempl , S. Lacour , S. Lagarde , O. Lai , V. Lapeyrère , R. Laugier , V. Leal , J. -B. Le Bouquin , J. Leftley , P. Léna , B. Lopez , D. Lutz , Y. Magnard , F. Mang , A. Marcotto , D. Maurel , A. Mérand , F. Millour , M. Montarges , N. More , N. Morujão , T. Moulin , H. Nowacki , M. Nowak , S. Oberti , T. Ott , L. Pallanca , F. Patru , T. Paumard , K. Perraut , G. Perrin , P. O. Petrucci , R. Petrov , O. Pfuhl , N. Pourré , S. Rabien , C. Rau , M. Riquelme , S. Robbe-Dubois , S. Rochat , M. Salman , J. Sánchez-Bermúdez , J. Schubert , J. Scigliuto , P. Shchekaturov , N. Schuhler , J. Shangguan , T. Shimizu , S. Scheithauer , C. Soenke , F. Soulez , E. Stadler , J. Stadler , C. Straubmeier , E. Sturm , M. Subroweit , C. Sykes , L. J. Tacconi , K. R. W. Tristram , S. Uysal , S. von Fellenberg , F. Widmann , E. Wieprecht , E. Wiezorrek , J. Woillez , S. Yazici , G. Zins