2 papers
astro-ph.EP2025
Granulation on a quiet K dwarf: HD 166620 I. Spectral signatures as a function of line-formation temperature
Ancy Anna John, Khaled Al Moulla, Niamh K. O'Sullivan +14
As Radial velocity (RV) spectrographs reach unprecedented precision and stability below 1 m/s, the challenge of granulation in the context of exoplanet detection has intensified. D…
astro-ph.SR2024
The Mean Longitudinal Magnetic Field and its Uses in Radial-Velocity Surveys
F. Rescigno, A. Mortier, X. Dumusque +14
This work focuses on the analysis of the mean longitudinal magnetic field as a stellar activity tracer in the context of small exoplanet detection and characterisation in radial-ve…