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PLATO Hare-and-Hounds exercise: Asteroseismic model fitting of main-sequence solar-like pulsators
M. S. Cunha, I. W. Roxburgh, V. Aguirre Børsen-Koch +19
Asteroseismology is a powerful tool to infer fundamental stellar properties. The use of these asteroseismic-inferred properties in a growing number of astrophysical contexts makes…
TOI-1296b and TOI-1298b observed with TESS and SOPHIE: Two hot Saturn-mass exoplanets with different densities around metal-rich stars
C. Moutou, J. M. Almenara, G. Hébrard +40
We present the discovery of two new transiting extrasolar planet candidates identified as TOI-1296.01 and TOI-1298.01 by the Transiting Exoplanet Survey Satellite (TESS). The plane…
Seismic signature of electron degeneracy in the core of red giants: hints for mass transfer between close red-giant companions
S. Deheuvels, J. Ballot, C. Gehan +1
The detection of mixed modes in red giants with space missions CoRoT and Kepler has revealed their deep internal structure. These modes allow us to characterize the pattern of pres…
Probing core overshooting using subgiant asteroseismology: the case of KIC10273246
A. Noll, S. Deheuvels, J. Ballot
The size of convective cores remains uncertain, despite its substantial influence on stellar evolution, and thus on stellar ages. The seismic modeling of young subgiants can be use…