T. Morel
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View article: The <i>Gaia</i>-ESO Survey: projected rotational velocities of B stars in the Carina Nebula
The <i>Gaia</i>-ESO Survey: projected rotational velocities of B stars in the Carina Nebula Open
The Carina Nebula is an active star-forming region with several open clusters rich in massive OB stars, thus making it an optimal target for studying stellar properties such as rotation for large samples of these early-type stars. We studi…
View article: Optimised use of interferometry, spectroscopy, and stellar atmosphere models for determining the fundamental parameters of stars
Optimised use of interferometry, spectroscopy, and stellar atmosphere models for determining the fundamental parameters of stars Open
Context . Thanks to recent progress in the field of optical interferometry, instrument sensitivities have now reached the level achieved in the domain of new space missions dedicated to exoplanet and stellar studies. Combining interferomet…
View article: Predicted asteroseismic detection yield for solar-like oscillating stars with PLATO
Predicted asteroseismic detection yield for solar-like oscillating stars with PLATO Open
We determine the expected yield of detections of solar-like oscillations for the PLATO ESA mission. We used a formulation from the literature to calculate the probability of detection and validated it with Kepler data. We then applied this…
View article: Predicted asteroseismic detection yield for solar-like oscillating stars with PLATO
Predicted asteroseismic detection yield for solar-like oscillating stars with PLATO Open
Aims. In this work, we determine the expected yield of detections of solar-like oscillations for the targets of the foreseen PLATO ESA mission. Our estimates are based on a study of the detection probability, which takes into account the p…
View article: Seismic and spectroscopic analysis of nine bright red giants observed by <i>Kepler</i>
Seismic and spectroscopic analysis of nine bright red giants observed by <i>Kepler</i> Open
Photometric time series gathered by space telescopes such as CoRoT and Kepler allow to detect solar-like oscillations in red giant stars and to measure their global seismic constraints, which can be used to infer global stellar properties …
View article: The <i>Gaia</i>-ESO Survey: Homogenisation of stellar parameters and elemental abundances
The <i>Gaia</i>-ESO Survey: Homogenisation of stellar parameters and elemental abundances Open
The Gaia -ESO Survey is a public spectroscopic survey that targeted ≳10 5 stars covering all major components of the Milky Way from the end of 2011 to 2018, delivering its final public release in May 2022. Unlike other spectroscopic survey…
View article: Les progrès de la modélisation intégrée.
Les progrès de la modélisation intégrée. Open
/ L'objectif d'une modélisation intégrée est de traiter les problématiques concernant la ressource en eau (en termes de quantité et de qualité) en combinant les différentes disciplines la caractérisant : météorologie, hydrologie, agronomie…
View article: Etat des lieux sur le développement du module de transfert des pesticides PeStics : premiers tests de sensibilité.
Etat des lieux sur le développement du module de transfert des pesticides PeStics : premiers tests de sensibilité. Open
/ L'usage de pesticides destinés à lutter contre les parasites des cultures est très largement répandu dans le cadre de la production agricole Française. La France est en Europe le premier consommateur de pesticides avec une masse totale d…
View article: First Release of PLATO Consortium Stellar Limb-darkening Coefficients
First Release of PLATO Consortium Stellar Limb-darkening Coefficients Open
We release the first grid of stellar limb-darkening coefficients (LDCs) and intensity profiles (IPs) computed by the consortium of the PLAnetary Transits and Oscillations of stars (PLATO), the next medium-class (M3) mission under developme…
View article: First release of PLATO consortium stellar limb-darkening coefficients
First release of PLATO consortium stellar limb-darkening coefficients Open
First official grid of stellar limb-darkening coefficients and intensity profiles computed by the consortium of the PLAnetary Transits and Oscillations of stars (PLATO) Working Package 122400. Linked to the paper "First release of PLATO co…
View article: First release of PLATO consortium stellar limb-darkening coefficients
First release of PLATO consortium stellar limb-darkening coefficients Open
First official grid of stellar limb-darkening coefficients and intensity profiles computed by the consortium of the PLAnetary Transits and Oscillations of stars (PLATO) Working Package 122400. Linked to the paper "First release of PLATO co…
View article: Analysis of <i>Gaia</i> radial-velocity standards: stability and new substellar companion candidates
Analysis of <i>Gaia</i> radial-velocity standards: stability and new substellar companion candidates Open
Our main aim is to test the non-variability of the radial velocity (RV) of a sample of 2351 standard stars used for wavelength calibration of the Radial Velocity Spectrometer (RVS) instrument onboard Gaia. In this paper, we present the spe…
View article: The <i>Gaia</i>-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products
The <i>Gaia</i>-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products Open
Context. The Gaia-ESO Public Spectroscopic Survey is an ambitious project designed to obtain astrophysical parameters and elemental abundances for 100 000 stars, including large representative samples of the stellar populations in the Gala…
View article: <i>Gaia</i>Data Release 3
<i>Gaia</i>Data Release 3 Open
Context. The Gaia DR3 catalogue contains, for the first time, about 800 000 solutions with either orbital elements or trend parameters for astrometric, spectroscopic, and eclipsing binaries, and combinations of these three. Aims. With this…
View article: The<i>Gaia</i>-ESO survey: A spectroscopic study of the young open cluster NGC 3293
The<i>Gaia</i>-ESO survey: A spectroscopic study of the young open cluster NGC 3293 Open
We present a spectroscopic analysis of the GIRAFFE and UVES data collected by the Gaia -ESO survey for the young open cluster NGC 3293. Archive spectra from the same instruments obtained in the framework of the ‘VLT-FLAMES survey of massiv…
View article: Gaia Data Release 3 Properties and validation of the radial velocities
Gaia Data Release 3 Properties and validation of the radial velocities Open
Gaia Data Release 3 (Gaia DR3) contains the second release of the combined radial velocities. It is based on the spectra collected during the first 34 months of the nominal mission. The longer time baseline and the improvements of the pipe…
View article: First release of PLATO consortium stellar limb-darkening coefficients
First release of PLATO consortium stellar limb-darkening coefficients Open
First official grid of stellar limb-darkening coefficients and intensity profiles computed by the consortium of the PLAnetary Transits and Oscillations of stars (PLATO) Working Package 122400. Linked to the paper "First release of PLATO co…
View article: Hot stars in the Gaia-ESO Survey
Hot stars in the Gaia-ESO Survey Open
The Gaia-ESO Survey (GES) is a large public spectroscopic survey that has collected spectra of about 100,000 stars. The survey provides not only the reduced spectra, but also the radial velocities, stellar parameters and surface abundances…
View article: The <i>Gaia</i>-ESO Public Spectroscopic Survey: Implementation, data products, open cluster survey, science, and legacy
The <i>Gaia</i>-ESO Public Spectroscopic Survey: Implementation, data products, open cluster survey, science, and legacy Open
Context. In the last 15 years different ground-based spectroscopic surveys have been started (and completed) with the general aim of delivering stellar parameters and elemental abundances for large samples of Galactic stars, complementing …
View article: A Model Earth-sized Planet in the Habitable Zone of α Centauri A/B
A Model Earth-sized Planet in the Habitable Zone of α Centauri A/B Open
The bulk chemical composition and interior structure of rocky exoplanets are fundamentally important to understand their long-term evolution and potential habitability. Observations of the chemical compositions of solar system rocky bodies…
View article: The <i>Gaia</i>-ESO Survey: The analysis of the hot-star spectra
The <i>Gaia</i>-ESO Survey: The analysis of the hot-star spectra Open
Context. The Gaia -ESO Survey (GES) is a large public spectroscopic survey that has collected, over a period of six years, spectra of ~10 5 stars. This survey provides not only the reduced spectra, but also the stellar parameters and abund…
View article: Water content trends in K2-138 and other low-mass multi-planetary systems
Water content trends in K2-138 and other low-mass multi-planetary systems Open
Context. Both rocky super-Earths and volatile-rich sub-Neptunes have been found simultaneously in multi-planetary systems, suggesting that these systems are appropriate to study different composition and formation pathways within the same …
View article: Plateforme de modélisation hydrogéologique nationale AQUI-FR
Plateforme de modélisation hydrogéologique nationale AQUI-FR Open
61 p.
View article: The SAPP pipeline for the determination of stellar abundances and atmospheric parameters of stars in the core program of the PLATO mission
The SAPP pipeline for the determination of stellar abundances and atmospheric parameters of stars in the core program of the PLATO mission Open
We introduce the SAPP (Stellar Abundances and atmospheric Parameters Pipeline), the prototype of the code that will be used to determine parameters of stars observed within the core program of the PLATO space mission. The pipeline is based…
View article: The SAPP pipeline for the determination of stellar abundances and\n atmospheric parameters of stars in the core program of the PLATO mission
The SAPP pipeline for the determination of stellar abundances and\n atmospheric parameters of stars in the core program of the PLATO mission Open
We introduce the SAPP (Stellar Abundances and atmospheric Parameters\nPipeline), the prototype of the code that will be used to determine parameters\nof stars observed within the core program of the PLATO space mission. The\npipeline is ba…
View article: A model Earth-sized planet in the habitable zone of $\alpha$ Centauri A/B
A model Earth-sized planet in the habitable zone of $\alpha$ Centauri A/B Open
The bulk chemical composition and interior structure of rocky exoplanets are\nof fundamental importance to understanding their long-term evolution and\npotential habitability. Observations of the chemical compositions of the solar\nsystem …
View article: Characterisation of the interior structures and atmospheres of multiplanetary systems
Characterisation of the interior structures and atmospheres of multiplanetary systems Open
The increasing number of well characterised low-mass planets, combined with the valuable informations from stellar and planetary spectroscopy, opens the way to the modeling of planetary structures and compositions, which can be obtained wi…
View article: Characterising the interior structures and atmospheres of transiting super-Earths and sub-Neptunes
Characterising the interior structures and atmospheres of transiting super-Earths and sub-Neptunes Open
The modelling of the internal structures of super-Earths and sub-Neptunes gives a valuable insight into their formation history and possible atmospheres. We present a planet model where the interior is coupled with the atmosphere within a …
View article: Characterising the interior structures and atmospheres of multiplanetary systems.
Characterising the interior structures and atmospheres of multiplanetary systems. Open
The increasing number of well characterised low-mass planets, combined with the valuable informations from stellar and planetary spectroscopy, opens the way to the modeling of planetary structures and compositions, which can be obtained wi…
View article: Modeling of two <i>CoRoT</i> solar analogues constrained by seismic and spectroscopic analysis
Modeling of two <i>CoRoT</i> solar analogues constrained by seismic and spectroscopic analysis Open
Solar analogues are important stars to study for understanding the properties of the Sun. Combined with seismic and spectroscopic analysis, evolutionary modelling becomes a powerful method to characterize stellar intrinsic parameters, such…