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MARVEL, a four-telescope array for high-precision radial-velocity monitoring
Gert Raskin, Christian Schwab, Bart Vandenbussche +23
Since the first discovery of a planet outside of our Solar System in 1995, exoplanet research has shifted from detecting to characterizing worlds around other stars. The TESS (NASA…
Optimizing MARVEL for the radial velocity follow-up of TESS and PLATO transiting exoplanets
Cyprien Lanthermann, Joris De Ridder, Hugues Sana +6
The space missions TESS and PLATO plan to double the number of 4000 exoplanets already discovered and will measure the size of thousands of exoplanets around the brightest stars in…
Dynamically inflated wind models of classical Wolf-Rayet stars
L. G. Poniatowski, J. O. Sundqvist, N. D. Kee +6
Vigorous mass loss in the classical Wolf-Rayet (WR) phase is important for the late evolution and final fate of massive stars. We develop spherically symmetric time-dependent and s…
BAT99 126: A multiple Wolf-Rayet system in the Large Magellanic Cloud with a massive near-contact binary
Soetkin Janssens, Tomer Shenar, Laurent Mahy +3
BAT99 126 is a multiple system in the Large Magellanic Cloud containing a Wolf-Rayet (WR) star, which has a reported spectroscopic (orbital) period of 25.5 days and a photometric (…
Detailed evolutionary models of massive contact binaries: I. Model grids and synthetic populations for the Magellanic Clouds
Athira Menon, Norbert Langer, Selma E. de Mink +8
The majority of close massive binary stars with initial periods of a few days experience a contact phase, in which both stars overflow their Roche lobes simultaneously. We perform…
A spectroscopic multiplicity survey of Galactic Wolf-Rayet stars. I. The northern WC sequence
Karan Dsilva, Tomer Shenar, Hugues Sana +1
It is now well established that the majority of massive stars reside in multiple systems. However, the effect of multiplicity is not sufficiently understood, resulting in a plethor…