Luc IJspeert
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View article: MOCKA – A PLATO mock asteroseismic catalogue: Simulations for gravity-mode oscillators
MOCKA – A PLATO mock asteroseismic catalogue: Simulations for gravity-mode oscillators Open
Context . With the PLAnetary Transits and Oscillation of stars (PLATO) space mission set for launch in December 2026 by the European Space Agency (ESA), a new photometric legacy and a future of new scientific discoveries await the communit…
View article: MOCKA -- A PLATO mock asteroseismic catalogue: Simulations for gravity-mode oscillators
MOCKA -- A PLATO mock asteroseismic catalogue: Simulations for gravity-mode oscillators Open
With ESA's PLATO space mission set for launch in December 2026, a new photometric legacy and a future of new scientific discoveries await. In this work we investigate PLATO's potential for observing pulsating stars across the Hertzsprung-R…
View article: KIC 4150611: A quadruply eclipsing heptuple star system with a <i>g</i>-mode period-spacing pattern
KIC 4150611: A quadruply eclipsing heptuple star system with a <i>g</i>-mode period-spacing pattern Open
Context. KIC 4150611 is a high-order (seventh-order) multiple composed of a triple system with: a F1V primary (Aa), which is eclipsed on a 94.2 d period by a tight binary composed of two K/M dwarfs (Ab1 and Ab2) that also eclipse each othe…
View article: KIC 4150611: A quadruply eclipsing heptuple star system with a g-mode period-spacing pattern Asteroseismic modelling of the g-mode period-spacing pattern
KIC 4150611: A quadruply eclipsing heptuple star system with a g-mode period-spacing pattern Asteroseismic modelling of the g-mode period-spacing pattern Open
In this work, we aim to estimate the stellar parameters of the primary (Aa) by performing asteroseismic analysis on its period-spacing pattern. We use the C-3PO neural network to perform asteroseismic modelling of the g-mode period-spacing…
View article: Statistical view of orbital circularisation with 14 000 characterised TESS eclipsing binaries
Statistical view of orbital circularisation with 14 000 characterised TESS eclipsing binaries Open
Context. Eclipsing binaries are crucial for understanding stellar physics, allowing detailed studies of stellar masses, radii, and orbital dynamics. Recent space missions like the Transiting Exoplanet Survey Satellite (TESS) have significa…
View article: KIC 4150611: A quadruply eclipsing heptuple star system with a <i>g</i>-mode period-spacing pattern
KIC 4150611: A quadruply eclipsing heptuple star system with a <i>g</i>-mode period-spacing pattern Open
Context. KIC 4150611 is a high-order multiple composed of a triple system. It comprises: (1) a F1V primary (Aa) that is eclipsed on a 94.2d period by a tight 1.52d binary composed of two dim K/M dwarfs (Ab1 and Ab2), which also eclipse eac…
View article: KIC 4150611: A quadruply eclipsing heptuple star system with a g-mode period-spacing pattern Eclipse modelling of the triple and spectroscopic analysis
KIC 4150611: A quadruply eclipsing heptuple star system with a g-mode period-spacing pattern Eclipse modelling of the triple and spectroscopic analysis Open
KIC 4150611 is a high-order multiple composed of a triple system composed of the F1V primary (Aa), which is eclipsed on a 94.2d period by a tight 1.52d binary composed of two dim K/M dwarfs (Ab1, Ab2), which also eclipse each other; an 8.6…
View article: Automated eccentricity measurement from raw eclipsing binary light curves with intrinsic variability
Automated eccentricity measurement from raw eclipsing binary light curves with intrinsic variability Open
Context. Eclipsing binary systems provide the opportunity to measure the fundamental parameters of their component stars in a stellar-model-independent way. This makes them ideal candidates for testing and calibrating theories of stellar s…
View article: Automated eccentricity measurement from raw eclipsing binary light curves with intrinsic variability
Automated eccentricity measurement from raw eclipsing binary light curves with intrinsic variability Open
abridged. Eclipsing binary systems provide the opportunity to measure the fundamental parameters of their component stars in a stellar-model-independent way. This makes them ideal candidates for testing and calibrating theories of stellar …
View article: Observational mapping of the mass discrepancy in eclipsing binaries: Selection of the sample and its photometric and spectroscopic properties
Observational mapping of the mass discrepancy in eclipsing binaries: Selection of the sample and its photometric and spectroscopic properties Open
Context . Eclipsing spectroscopic double-lined binaries are the prime source of precise and accurate measurements of masses and radii of stars. These measurements provide a stringent test for models of stellar evolution that are consistent…
View article: Observational mapping of the mass discrepancy in eclipsing binaries: Selection of the sample and its photometric and spectroscopic properties
Observational mapping of the mass discrepancy in eclipsing binaries: Selection of the sample and its photometric and spectroscopic properties Open
Abridged. Eclipsing spectroscopic double-lined binaries are the prime source of precise and accurate measurements of masses and radii of stars. These measurements provide a stringent test of models of stellar evolution that are persistentl…
View article: The ESO UVES/FEROS Large Programs of TESS OB pulsators
The ESO UVES/FEROS Large Programs of TESS OB pulsators Open
Context. Modern stellar structure and evolution theory suffers from a lack of observational calibration for the interior physics of intermediate- and high-mass stars. This leads to discrepancies between theoretical predictions and observed…
View article: The ESO UVES/FEROS Large Programs of TESS OB pulsators. I. Global stellar parameters from high-resolution spectroscopy
The ESO UVES/FEROS Large Programs of TESS OB pulsators. I. Global stellar parameters from high-resolution spectroscopy Open
Modern stellar structure and evolution theory experiences a lack of observational calibrations for the interior physics of intermediate- and high-mass stars. This leads to discrepancies between theoretical predictions and observed phenomen…
View article: Identifying and characterising the population of hot sub-luminous stars with multi-colour MeerLICHT data
Identifying and characterising the population of hot sub-luminous stars with multi-colour MeerLICHT data Open
Context. Colour–magnitude diagrams reveal a population of blue (hot) sub-luminous objects with respect to the main sequence. These hot sub-luminous stars are the result of evolutionary processes that require stars to expel their obscuring,…
View article: Analysis of high-resolution FEROS spectroscopy for a sample of variable B-type stars assembled from TESS photometry,
Analysis of high-resolution FEROS spectroscopy for a sample of variable B-type stars assembled from TESS photometry, Open
Context . Spectroscopic data are necessary to break degeneracies in the asteroseismic modelling of the interior structure in high- and intermediate-mass stars. With the TESS mission, the number of bright intermediate-mass B-type stars with…
View article: Detection of period-spacing patterns due to the gravity modes of rotating dwarfs in the TESS southern continuous viewing zone
Detection of period-spacing patterns due to the gravity modes of rotating dwarfs in the TESS southern continuous viewing zone Open
Context. The theory of stellar evolution presents shortcomings when confronted with asteroseismic probes of interior physical properties. The differences between observations and theory are often great because stellar models have mainly be…
View article: TESS Eclipsing Binary Stars. I. Short-cadence Observations of 4584 Eclipsing Binaries in Sectors 1–26
TESS Eclipsing Binary Stars. I. Short-cadence Observations of 4584 Eclipsing Binaries in Sectors 1–26 Open
In this paper we present a catalog of 4584 eclipsing binaries observed during the first two years (26 sectors) of the TESS survey. We discuss selection criteria for eclipsing binary candidates, detection of hitherto unknown eclipsing syste…
View article: An all-sky sample of intermediate- to high-mass OBA-type eclipsing binaries observed by TESS
An all-sky sample of intermediate- to high-mass OBA-type eclipsing binaries observed by TESS Open
Context. Intermediate- to high-mass stars are the least numerous types of stars, and they are less well understood than their more numerous low-mass counterparts in terms of their internal physical processes. Modelling the photometric vari…