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157 papers · 1 filter
Characterising injection signatures in Jupiter's ultraviolet aurora using Juno observations
Linus Head, Denis Grodent, Bertrand Bonfond +12
Discrete features in Jupiter's ultraviolet aurora have been interpreted as signatures of plasma injections in the middle magnetosphere. There exists some ambiguity whether magnetod…
The stellar activity-rotation-age relationship under the lens of asteroseismology
C. Pezzotti, J. Bétrisey, G. Buldgen +6
In low-mass stars, the connection between magnetic activity, rotation period, and age provides key insights into the functioning of dynamos. Fully understanding the activity-rotati…
The LEGA-C galaxy survey: multiple quenching channels for quiescent galaxies at
Angelos Nersesian, Yasha Kaushal, Marco Martorano +9
We analyzed the sizes and star-formation histories (SFHs) of 2908 galaxies with M at , drawn from the LEGA-C survey. The goal is to inves…
Detailed theoretical analysis of core Helium-burning stars: Mixed mode patterns I. Impact of the He-flash discontinuity and of induced semi-convection
L. Panier, G. Buldgen, M. Matteuzzi +4
Space missions like CoRoT, Kepler, and TESS have made asteroseismology a powerful probe of stellar interiors. Red giants are key targets thanks to their rich mixed-mode oscillation…
LEGA-C stellar populations scaling relations. I: Chemo-archaeological downsizing trends at z~0.7
Anna R. Gallazzi, Stefano Zibetti, Arjen van der Wel +11
We analyze stellar population properties of 552 galaxies at redshift 0.6<z<0.77 from the LEGA-C spectroscopic survey. This first paper in a series presents the catalog of revised a…
TOI-7166 b: A Habitable Zone mini-Neptune planet around a nearby low-mass star
Khalid Barkaoui, Francisco J. Pozuelos, Benjamin V. Rackham +41
We present the discovery and validation of TOI-7166b, a 2.01+/-0.05R_Earth planet orbiting a nearby low-mass star. We validated the planet by combining TESS and multi-color high-pr…