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astro-ph.SR2025
Rotational modulation and long-term evolution of the small-scale magnetic fields of M dwarfs observed with SPIRou
P. I. Cristofari, J. -F. Donati, S. Bellotti +7
M dwarfs are known to host magnetic fields, impacting exoplanet studies and playing a key role in stellar and planetary formation and evolution. Observations revealed the long-term…
astro-ph.SR2025
Full Stokes magnetometry of the active M dwarfs AU Mic and EV Lac with SPIRou
J. -F. Donati, P. I. Cristofari, B. Klein +2
We report in this paper circularly and linearly polarized observations of the young active M dwarfs AU Mic and EV Lac with the near-infrared SPIRou spectropolarimeter at the Canada…