activity
20062023
most citedRadiative hydrodynamics simulations of red supergiant stars. III. Spectro-photocentric variability, photometric variability, and consequences on Gaia measurements

114 citations · 1k across the 44 of their papers we have counts for

collaborators

44 papers

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.SR2022★ 12 cited

The binary system of the spinning-top Be star Achernar

P. Kervella, S. Borgniet, A. Domiciano de Souza +16

Achernar, the closest and brightest classical Be star, presents rotational flattening, gravity darkening, occasional emission lines due to a gaseous disk, and an extended polar win…

physics.optics2022

The crossed-sine wavefront sensor: first tests and results

Laura Schreiber, Yan Feng, Alain Spang +4

The crossed-sine wavefront sensor (WFS) is a pupil plane wavefront sensor that measures the first derivatives of the wavefront. It is made by three main components: a gradient tran…

astro-ph.IM2022

RISTRETTO: coronagraph and AO designs enabling High Dispersion Coronagraphy at 2 lambda/D

N. Blind, B. Chazelas, J. Kühn +13

RISTRETTO is the evolution of the original idea of coupling the VLT instruments SPHERE and ESPRESSO, aiming at High Dispersion Coronagraphy. RISTRETTO is a visitor instrument that…

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…