activity
20052026
most citedDetection of the gravitational redshift in the orbit of the star S2 near the Galactic centre massive black hole

947 citations · 5.1k across the 65 of their papers we have counts for

collaborators
Showing 2024Show all

5 papers · 1 filter

astro-ph.IM2024

The VLT/ERIS vortex coronagraph: design, pointing control, and on-sky performance

Gilles Orban de Xivry, Olivier Absil, Robert J. De Rosa +14

The Enhanced Resolution Imager and Spectrograph (ERIS) is the new near-infrared instrument at the VLT-UT4. ERIS replaces and extends the observational capabilities formerly provide…

astro-ph.IM2024★ 9 cited

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

J. Woillez, R. Petrov, R. Abuter +23

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 trac…

astro-ph.IM2024

NIRPS first light and early science: breaking the 1 m/s RV precision barrier at infrared wavelengths

Étienne Artigau, François Bouchy, René Doyon +111

The Near-InfraRed Planet Searcher or NIRPS is a precision radial velocity spectrograph developed through collaborative efforts among laboratories in Switzerland, Canada, Brazil, Fr…

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.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…