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The effects of near-core convective shells on the gravity modes of the subdwarf B pulsator KIC 10553698A
Hamed Ghasemi, Ehsan Moravveji, Conny Aerts +2
KIC 10553698A is a hot pulsating subdwarf B (sdB) star observed by the Kepler satellite. It exhibits dipole (l = 1) and quadrupole (l = 2) gravity modes with a clear period spacing…
Asteroseismic versus Gaia distances: a first comparison
J. De Ridder, G. Molenberghs, L. Eyer +1
Context. The Kepler space mission led to a large amount of high-precision time series of solar-like oscillators. Using a Bayesian analysis that combines asteroseismic techniques an…
The IACOB project: III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars
S. Simón-Díaz, M. Godart, N. Castro +5
We aim to provide new empirical clues about macroturbulent spectral line broadening in O- and B-type stars to evaluate its physical origin. We use high-resolution spectra of ~430 s…
PLC-controlled cryostats for the BlackGEM and MeerLICHT detectors
Gert Raskin, Johan Morren, Wim Pessemier +5
BlackGEM (BG) is an array of telescopes, currently under development at the Radboud University Nijmegen and at NOVA. It targets the detection of the optical counterparts of gravita…
Asteroseismic modelling of the two F-type hybrid pulsators KIC10080943A and KIC10080943B
V. S. Schmid, C. Aerts
Pulsating binary stars are ideal targets for testing the theory of stellar structure and evolution. Fundamental parameters can be derived to high precision from binary modelling an…
Sub-Inertial Gravity Modes in the B8V Star KIC 7760680 Reveal Moderate Core Overshooting and Low Vertical Diffusive Mixing
Ehsan Moravveji, Richard H. D. Townsend, Conny Aerts +1
KIC 7760680 is so far the richest slowly pulsating B star, by exhibiting 36 consecutive dipole () gravity (g-) modes. The monotonically decreasing period spacing of the ser…