activity
20162026
most citedA dynamical measure of the black hole mass in a quasar 11 billion years ago

63 citations · 202 across the 16 of their papers we have counts for

collaborators

18 papers

astro-ph.IM2026

CHARA/SPICA: The six-telescope visible combiner and near-infrared fringe tracker for the CHARA Array

D. Mourard, P. Bério, C. Bailet +43

The suite called Stellar Parameters and Images with a Cophased Array (SPICA) has two interferometric instruments installed at the focus of the CHARA Array located at Mount Wilson,…

astro-ph.IM2026

ANDES, the high-resolution spectrograph of the ELT: simulated performance of the CORO module and overview of the high-contrast capabilities for exoplanet observations

M. N'Diaye, A. Simonnin, A. Spang +19

We present the simulated performance of the coronagraph (CORO) module for ANDES, the Extremely Large Telescope (ELT) high-resolution spectrograph. ANDES aims to address a broad ran…

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.IM2025★ 1 cited

GRAVITY+ adaptive optics (GPAO) tests in Europe

Florentin Millour, Guillaume Bourdarot, Jean-Baptiste Le Bouquin +54

We present in this proceeding the results of the test phase of the GRAVITY+ adaptive optics. This extreme AO will enable both high-dynamic range observations of faint companions (i…

astro-ph.IM2024★ 3 cited

Cascade adaptive optics with a second stage based on a Zernike wavefront sensor for exoplanet observations

M. N'Diaye, A. Vigan, B. Engler +7

Over the past decade, the high-contrast observation of disks and gas giant planets around nearby stars has been made possible on ground-based instruments using extreme adaptive opt…

astro-ph.IM2024★ 2 cited

ANDES, the high resolution spectrograph for the ELT: science goals, project overview and future developments

A. Marconi, M. Abreu, V. Adibekyan +286

The first generation of ELT instruments includes an optical-infrared high-resolution spectrograph, indicated as ELT-HIRES and recently christened ANDES (ArmazoNes high Dispersion E…

astro-ph.GA2024★ 63 cited

A dynamical measure of the black hole mass in a quasar 11 billion years ago

R. Abuter, F. Allouche, A. Amorim +124

Tight relationships exist in the local universe between the central stellar properties of galaxies and the mass of their supermassive black hole. These suggest galaxies and black h…

astro-ph.IM2023

Exoplanet imaging with ELTs: exploring a second-stage AO with a Zernike wavefront sensor on the ESO/GHOST testbed

Mamadou N'Diaye, Arthur Vigan, Byron Engler +6

We propose to explore a cascade extreme Adaptive optics (ExAO) approach with a second stage based on a Zernike wavefront sensor (ZWFS) for exoplanet imaging and spectroscopy. Most…

astro-ph.IM2023★ 21 cited

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

GRAVITY+ Collaboration, :, Roberto Abuter +134

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 th…

astro-ph.IM2022★ 6 cited

CHARA/SPICA: a 6-telescope visible instrument for the CHARA Array

Denis Mourard, Philippe Berio, Cyril Pannetier +25

With a possible angular resolution down to 0.1-0.2 millisecond of arc using the 330 m baselines and the access to the 600-900 nm spectral domain, the CHARA Array is ideally configu…

astro-ph.IM2022★ 6 cited

SPICA-FT: The new fringe tracker of the CHARA array

Cyril Pannetier, Philippe Berio, Denis Mourard +11

SPICA-FT is part of the CHARA/SPICA instrument which combines a visible 6T fibered instrument (SPICAVIS) with a H-band 6T fringe sensor. SPICA-FT is a pairwise ABCD integrated opti…

astro-ph.IM2022

Building a GRAVITY+ Adaptive Optics Test Bench

The Gravity Plus Consortium, Florentin Millour, Philippe Berio +22

We present the testbench aimed at integrating the GRAVITY+ adaptive optics GPAO. It consists of two independent elements, one reproducing the Coud{é} focus of the telescope, includ…

astro-ph.IM2022★ 31 cited

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

GRAVITY+ Collaboration, :, R. Abuter +114

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…

astro-ph.IM2021★ 3 cited

MATISSE, the VLTI mid-infrared imaging spectro-interferometer

B. Lopez, S. Lagarde, R. G. Petrov +150

Context:Optical interferometry is at a key development stage. ESO's VLTI has established a stable, robust infrastructure for long-baseline interferometry for general astronomical o…

astro-ph.SR2021★ 12 cited

Mid-infrared circumstellar emission of the long-period Cepheid l Carinae resolved with VLTI/MATISSE

V. Hocdé, N. Nardetto, A. Matter +149

The nature of circumstellar envelopes (CSE) around Cepheids is still a matter of debate. The physical origin of their infrared (IR) excess could be either a shell of ionized gas, o…

astro-ph.IM2021★ 2 cited

Progress of the CHARA/SPICA project

C. Pannetier, D. Mourard, P. Berio +22

CHARA/SPICA (Stellar Parameters and Images with a Cophased Array) is currently being developed at Observatoire de la Côte d'Azur. It will be installed at the visible focus of the C…

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.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…