activity
20132026
most citedSOPHIE velocimetry of Kepler transit candidates XVII. The physical properties of giant exoplanets within 400 days of period

273 citations · 1.9k across the 44 of their papers we have counts for

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astro-ph.SR2026★ 1 cited

Competition between gravity waves excited by convection and tides in stars that host a companion

M. Esseldeurs, J. Ahuir, L. Amard +2

Asteroseismology has become a powerful tool in stellar astrophysics, offering unprecedented insights into the internal structures and dynamics of stars. It enables precise characte…

astro-ph.SR2026★ 1 cited

Magnetic field measurements in a sample of Class I and flat-spectrum protostars observed with SPIRou

L. Drouglazet, E. Alecian, A. Sousa +27

Magnetic fields play a crucial role throughout stellar evolution, regulating angular momentum, channelling accretion, and launching jets and outflows. While the magnetic properties…

astro-ph.SR2025

Co-existence of Internal Gravity Waves and Tayler-Spruit Magnetic Fields in the Radiative Core of Low-mass Stars

L. Amard, S. Mathis

The Tayler-Spruit dynamo (TSD) is able to generate a small-scale magnetic field in the differentially rotating stably stratified layers of stars and was recently observed in numeri…

astro-ph.SR2025

Exploring hydrodynamical stellar tachoclines along stellar evolution

Camille Moisset, Stéphane Mathis, Louis Amard

Stellar tachoclines are thin regions located between the radiative core and the convective envelope of solar-type stars. They are defined as layers where the rotation of the radiat…

astro-ph.SR2025

The magnetic and spin-down properties of slowly rotating fully convective M dwarfs

Victor See, Louis Amard, Stefano Bellotti +19

The evolution of the magnetism, winds and rotation of low-mass stars are all linked. One of the most common ways to probe the magnetic properties of low-mass stars is with the Zeem…

astro-ph.SR2025★ 1 cited

Magnetic activity evolution of solar-like stars: II. -Ro evolution of Kepler main-sequence targets

Savita Mathur, Angela R. G. Santos, Zachary R. Claytor +16

There is now a large sample of stars observed by the Kepler satellite with measured rotation periods and photometric activity index . We use this data, in conjunction w…