m-dwarf stars 1near-infrared spectroscopy 1planetary mass and radius 1radial velocity 1stellar magnetic activity 1transiting exoplanets 1
From the 1 of 2 linked papers with an AI index.
2 papers
astro-ph.EP2026
Revisiting TOI-4438 and TOI-442 planetary systems with new observations from SPIRou and TESS
J. Serrano Bell, G. Hébrard, E. Martioli +26
The study re‑examines two M‑dwarf planetary systems, TOI‑4438 and TOI‑442, using new TESS transit data and high‑resolution near‑infrared spectroscopy from SPIRou, refining the plan…
astro-ph.SR2025
Chromaticity of stellar activity in radial velocities : Anti-correlated families of lines on the M dwarf EV Lac with SPIRou and SOPHIE
Pierre Larue, Xavier Delfosse, Andres Carmona +33
Context. In the search for exoplanets using radial velocities (RV), stellar activity has become one of the main limiting factors for detectability. Fortunately, activity-induced RV…