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40 papers · 2 filters
AU-scale radio imaging of the wind collision region in the brightest and most luminous non-thermal colliding wind binary Apep
B. Marcote, J. R. Callingham, M. De Becker +5
The recently discovered colliding-wind binary (CWB) Apep has been shown to emit luminously from radio to X-rays, with the emission driven by a binary composed of two Wolf-Rayet (WR…
Investigating three Sirius-like systems with SPHERE
R. Gratton, V. D'Orazi, T. A. Pacheco +61
Sirius-like systems are wide binaries composed of a white dwarf (WD) and a companion of a spectral type earlier than M0. The WD progenitor evolves in isolation, but its wind during…
New X-ray detections of known Wolf-Rayet stars
Yael Naze, Eric Gosset, Quentin Marechal
Using XMM-Newton, we undertook a dedicated project to search for X-ray bright wind-wind collisions in 18 WR+OB systems. We complemented these observations with Swift and Chandra da…
Gaia Early Data Release 3: The Gaia Catalogue of Nearby Stars
Gaia Collaboration, R. L. Smart, L. M. Sarro +420
We produce a clean and well-characterised catalogue of objects within 100\,pc of the Sun from the \G\ Early Data Release 3. We characterise the catalogue through comparisons to the…
Reinvestigating Cen AB in light of asteroseismic forward and inverse methods
Sébastien Salmon, Valérie Van Grootel, Gaël Buldgen +2
The Cen stellar system is the closest neighbour to our Sun. Its main component is a binary composed of two main-sequence stars, one more massive than the Sun and one less massi…
Testing abundance-age relations beyond solar analogues with Kepler LEGACY stars
Thierry Morel, Orlagh L. Creevey, Josefina Montalban +2
We present abundances of 21 elements in a sample of 13 bright FG dwarfs drawn from the Kepler LEGACY sample to examine the applicability of the abundance-age relations to stars wit…