25 citations · 134 across the 14 of their papers we have counts for
15 papers
The theoretical pulsation spectra of hot B subdwarfs. Static and evolutionary STELUM models
N. Guyot, V. Van Grootel, S. Charpinet +3
Context. The Kepler and TESS space missions have revealed the rich gravity (g-)mode pulsation spectra of many hot subdwarf B (sdB) stars in detail. These spectra exhibit complex be…
Detailed seismic study of Gemma (KIC11026764) using EGGMiMoSA: Unveiling the probing potential of mixed modes for subgiant stars
M. Farnir, M. -A. Dupret, G. Buldgen
Context. When leaving the main sequence (MS) for the red-giant branch (RGB), subgiant stars undergo fast structural changes. Consequently, their observed oscillation spectra mirror…
Is planetary inward migration responsible for GJ 504's fast rotation and bright X-ray luminosity? New constraints from eROSITA
C. Pezzotti, G. Buldgen, E. Magaudda +4
The discovery of an increasing variety of exoplanets in very close orbits around their host stars raised many questions about how stars and planets interact, and to which extent ho…
MCMC inversions of the internal rotation of Kepler subgiants
G. Buldgen, L. Fellay, J. Bétrisey +3
The measurement of the internal rotation of post-main sequence stars using data from space-based photometry missions has demonstrated the need for an efficient angular momentum tra…
Asteroseismic modelling strategies in the PLATO era I. Mean density inversions and direct treatment of the seismic information
Jérôme Bétrisey, Gaël Buldgen, Daniel R. Reese +6
Asteroseismic modelling will be part of the pipeline of the PLATO mission and will play a key role in the mission precision requirements on stellar mass, radius and age. It is ther…
Study with WhoSGlAd of the acoustic depth of the helium glitch across the seismic HR diagram and its impact on the inferred helium abundance
Martin Farnir, Angelo Valentino, Marc-Antoine Dupret +1
The acoustic glitches' signature present in solar-like stars holds invaluable information. Indeed, it is caused by a sharp variation in the sound speed, therefore carrying localise…
Thorough characterisation of the 16 Cygni system. Part II. Seismic inversions of the internal structure
G. Buldgen, M. Farnir, P. Eggenberger +5
The advent of space-based photometry observations provided high-quality asteroseismic data for a large number of stars. These observations enabled the adaptation of advanced techni…
Apsidal motion in massive eccentric binaries in NGC 6231: The case of HD 152219
S. Rosu, G. Rauw, M. Farnir +2
The measurement of the apsidal motion in close eccentric massive binary systems provides essential information to probe the internal structure of the stars that compose the system.…
Asteroseismology of evolved stars with EGGMiMoSA I. Theoretical mixed-mode patterns from the subgiant to the RGB phase
M. Farnir, C. Pinçon, M-A. Dupret +2
This study is the first of a series of papers that provide a technique to analyse the mixed-modes frequency spectra and characterise the structure of stars on the subgiant and red-…
Thorough characterisation of the 16 Cygni system Part I: Forward seismic modelling with WhoSGlAd
M. Farnir, M. -A. Dupret, G. Buldgen +5
Context: Being part of the brightest solar-like stars, and close solar analogues, the 16 Cygni system is of great interest to the scientific community and may provide insight into…
Apsidal motion in the massive binary HD 152248 -- Constraining the internal structure of the stars
S. Rosu, A. Noels, M. -A. Dupret +3
Apsidal motion in massive eccentric binaries offers precious information about the internal structure of the stars. This is especially true for twin binaries consisting of two near…
From the Sun to solar-like stars: how does the solar modelling problem affect our studies of solar-like oscillators?
G. Buldgen, C. Pezzotti, M. Farnir +2
Since the first observations of solar oscillations in 1962, helioseismology has probably been one of the most successful fields of astrophysics. Besides the improvement of observat…
Comprehensive stellar seismic analysis: A preliminary application of Whosglad to 16 Cygni system
M. Farnir, M-A. Dupret, S. J. A. J. Salmon +2
We present a first application of Whosglad method to the components A and B of the 16 Cygni system. The method was developed to provide a comprehensive analysis of stellar oscillat…
Revisiting Kepler-444 Part I. Seismic modelling and inversions of stellar structure
G. Buldgen, M. Farnir, C. Pezzotti +10
Context. The CoRoT and Kepler missions have paved the way for synergies between exoplanetology and asteroseismology. The use of seismic data helps providing stringent constraints o…
Comprehensive stellar seismic analysis : New method exploiting the glitches information in solar-like pulsators
M. Farnir, M-A. Dupret, S. J. A. J. Salmon +2
Aims: We develop a method that provides a comprehensive analysis of the oscillation spectra of solar-like pulsators. We define new seismic indicators that should be as uncorrelated…