activity
20142026
most citedESPRESSO@VLT -- On-sky performance and first results

537 citations · 921 across the 14 of their papers we have counts for

collaborators

14 papers

astro-ph.EP2026

NIRPS tightens the mass estimate of GJ 3090 b and detects a planet near the stellar rotation period

Pierrot Lamontagne, Drew Weisserman, Charles Cadieux +148

We present an updated characterization of the planetary system orbiting the nearby M2 dwarf GJ 3090 (TOI-177; pc), based on new high-precision radial velocity (RV) observa…

astro-ph.EP2025★ 5 cited

NIRPS and TESS reveal a peculiar system around the M dwarf TOI-756: A transiting sub-Neptune and a cold eccentric giant

Léna Parc, François Bouchy, Neil J. Cook +148

The Near InfraRed Planet Searcher (NIRPS) joined HARPS on the 3.6-m ESO telescope at La Silla Observatory in April 2023, dedicating part of its Guaranteed Time Observations (GTO) p…

astro-ph.EP2025★ 2 cited

Quantifying thermal water dissociation in the dayside photosphere of WASP-121 b using NIRPS

Luc Bazinet, Romain Allart, Björn Benneke +119

The intense stellar irradiation of ultra-hot Jupiters results in some of the most extreme atmospheric environments in the planetary regime. On their daysides, temperatures can be s…

astro-ph.IM2025★ 29 cited

NIRPS joining HARPS at ESO 3.6 m. On-sky performance and science objectives

Francois Bouchy, Rene Doyon, Francesco Pepe +131

The Near-InfraRed Planet Searcher (NIRPS) is a high-resolution, high-stability near-infrared (NIR) spectrograph equipped with an AO system. Installed on the ESO 3.6-m telescope, it…

astro-ph.EP2025★ 11 cited

Diving into the planetary system of Proxima with NIRPS -- Breaking the metre per second barrier in the infrared

Alejandro Suárez Mascareño, Étienne Artigau, Lucile Mignon +138

We obtained 420 high-resolution spectra of Proxima, over 159 nights, using the Near Infra Red Planet Searcher (NIRPS). We derived 149 nightly binned radial velocity measurements wi…

astro-ph.EP2025

Blind search for activity-sensitive lines in the near-infrared using HARPS and NIRPS observations of Proxima and Gl 581

João Gomes da Silva, Elisa Delgado-Mena, Nuno C. Santos +145

Stellar activity variability is one of the main obstacles to the detection of Earth-like planets using the RV method. The aim of this work is to measure the effect of activity in t…

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.IM2022

NIRPS Front-End: Design, performance, and lessons learned

N. Blind, U. Conod, A. de Meideros +13

NIRPS (Near Infra-Red Planet Searcher) is an AO-assisted and fiber-fed spectrograph for high precision radial velocity measurements in the YJH-bands. NIRPS also has the specificity…

astro-ph.EP2020★ 108 cited

ESPRESSO high resolution transmission spectroscopy of WASP-76b

H. M. Tabernero, M. R. Zapatero Osorio, R. Allart +87

Aims. We report on ESPRESSO high-resolution transmission spectroscopic observations of two primary transits of the highly-irradiated, ultra-hot Jupiter-size planet WASP-76b. We inv…

astro-ph.IM2020★ 537 cited

ESPRESSO@VLT -- On-sky performance and first results

F. Pepe, S. Cristiani, R. Rebolo +97

ESPRESSO is the new high-resolution spectrograph of ESO's Very-Large Telescope (VLT). It was designed for ultra-high radial-velocity precision and extreme spectral fidelity with th…

astro-ph.EP2020★ 62 cited

A precise architecture characterization of the Men planetary system

M. Damasso, A. Sozzetti, C. Lovis +97

The bright star Men was chosen as the first target for a radial velocity follow-up to test the performance of ESPRESSO, the new high-resolution spectrograph at the ESO's Very-L…

astro-ph.EP2020★ 36 cited

Characterization of the K2-38 planetary system. Unraveling one of the densest planets known to date

B. Toledo-Padrón, C. Lovis, A. Suárez Mascareño +90

We characterized the transiting planetary system orbiting the G2V star K2-38 using the new-generation echelle spectrograph ESPRESSO. We carried out a photometric analysis of the av…

astro-ph.EP2020★ 118 cited

Revisiting Proxima with ESPRESSO

A. Suárez Mascareño, J. P. Faria, P. Figueira +88

We aim to confirm the presence of Proxima b using independent measurements obtained with the new ESPRESSO spectrograph, and refine the planetary parameters taking advantage of its…

astro-ph.IM2014★ 13 cited

VLTI status update: a decade of operations and beyond

Antoine Merand, Roberto Abuter, Emmanuel Aller-Carpentier +44

We present the latest update of the European Southern Observatory's Very Large Telescope interferometer (VLTI). The operations of VLTI have greatly improved in the past years: redu…