activity
20102026
most citedFirst Light for GRAVITY: Phase Referencing Optical Interferometry for the Very Large Telescope Interferometer

588 citations · 916 across the 16 of their papers we have counts for

collaborators

17 papers

astro-ph.CO2026

MATISSE in the era of GRAVITY+

Florentin Millour, Anthony Soulain, St{é}phane Lagarde +28

MATISSE, the mid-infrared spectro-interferometric imager of the Very Large Telescope Interferometer (VLTI), has been feeding on the light corrected by the GRAVITY+ Adaptive Optics…

astro-ph.IM2025★ 8 cited

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

GRAVITY+ Collaboration, :, F. Allouche +137

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 develop…

astro-ph.GA2025★ 11 cited

Spatially resolved broad line region in a quasar at z=4: Dynamical black hole mass and prominent outflow

GRAVITY+ Collaboration, K. Abd El Dayem, N. Aimar +92

We present the first near-infrared interferometric data of a QSO at z=4. The K-band observations were performed with GRAVITY+ on the VLTI using all four UTs, detecting a differenti…

astro-ph.IM2024★ 1 cited

GRAVITY+ Wavefront Sensors: High-Contrast, Laser Guide Star, Adaptive Optics systems for the VLTI

G. Bourdarot, F. Eisenhauer, S. Yazıcı +53

We present the Wavefront Sensor units of the Gravity Plus Adaptive Optics (GPAO) system, which will equip all 8m class telescopes of the VLTI and is an instrumental part of the GRA…

astro-ph.IM2024★ 1 cited

VLTI Unit Telescope coudé train vibration control upgrade for GRAVITY+

Romain Laugier, Julien Woillez, Denis Defrère +15

Scaling up interferometry to 8m collectors should smooth-out the optical piston perturbations and allow a slow fringe tracker to obtain high precision correction on faint targets.…

astro-ph.IM2024

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

N. Pourré, T. O. Winterhalder, J. -B. Le Bouquin +173

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…

astro-ph.IM2022

GRAVITY+ Wide: Towards hundreds of z 2 AGN

A. Drescher, M. Fabricius, T. Shimizu +34

As part of the GRAVITY project, the near-infrared beam combiner GRAVITY and the VLTI are currently undergoing a series of significant upgrades to further improve the performa…

astro-ph.IM2022

GRAVITY faint: reducing noise sources in GRAVITY with a fast metrology attenuation system

F. Widmann, S. Gillessen, T. Ott +28

With the upgrade from GRAVITY to GRAVITY the instrument will evolve into an all-sky interferometer that can observe faint targets, such as high redshift AGN. Observing the fain…

astro-ph.SR2020★ 43 cited

The asymmetric inner disk of the Herbig Ae star HD 163296 in the eyes of VLTI/MATISSE: evidence for a vortex?

J. Varga, M. Hogerheijde, R. van Boekel +133

Context. The inner few au region of planet-forming disks is a complex environment. High angular resolution observations have a key role in understanding the disk structure and the…

astro-ph.GA2019★ 115 cited

An image of the dust sublimation region in the nucleus of NGC 1068

GRAVITY Collaboration, O. Pfuhl, R. Davies +40

We present near-infrared interferometric data on the Seyfert 2 galaxy NGC 1068, obtained with the GRAVITY instrument on the European Southern Observatory Very Large Telescope Inter…

astro-ph.IM2018

Characterisation of ALPAO deformable mirrors for the NAOMI VLTI Auxiliary Telescopes Adaptive Optics

Jean-Baptiste Le Bouquin, Jean-Philippe Berger, Jean-Luc Beuzit +12

The Very Large Telescope Interferometer Auxiliary Telescopes will soon be equipped with an adaptive optics system called NAOMI. The corrective optics deformable mirror is the comme…

astro-ph.HE2017★ 17 cited

Accretion-ejection morphology of the microquasar SS433 resolved at sub-au scale

GRAVITY Collaboration, P. -O. Petrucci, I. Waisberg +67

We present the first optical observation at sub-milliarcsecond (mas) scale of the microquasar SS 433 obtained with the GRAVITY instrument on the VLT interferometer. The 3.5 hour ex…

astro-ph.IM2017★ 588 cited

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

GRAVITY Collaboration, R. Abuter, M. Accardo +130

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 di…

astro-ph.IM2016★ 7 cited

The 2nd Generation VLTI path to performance

Julien Woillez, Jaime Alonso, Jean-Philippe Berger +12

The upgrade of the VLTI infrastructure for the 2nd generation instruments is now complete with the transformation of the laboratory, and installation of star separators on both the…

astro-ph.IM2016★ 1 cited

An overview of the mid-infrared spectro-interferometer MATISSE: science, concept, and current status

A. Matter, B. Lopez, P. Antonelli +104

MATISSE is the second-generation mid-infrared spectrograph and imager for the Very Large Telescope Interferometer (VLTI) at Paranal. This new interferometric instrument will allow…

astro-ph.IM2013★ 68 cited

L'-band AGPM vector vortex coronagraph's first light on VLT/NACO: Discovery of a late-type companion at two beamwidths from an F0V star

D. Mawet, O. Absil, C. Delacroix +20

Context. High contrast imaging has thoroughly combed through the limited search space accessible with first-generation ground-based adaptive optics instruments and the Hubble Space…

astro-ph.IM2010★ 56 cited

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

S. Gillessen, F. Eisenhauer, G. Perrin +60

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-re…