A joint effort to discover and characterize two resonant mini-Neptunes around TOI-1803 with TESS, HARPS-N, and CHEOPS - Zingales, Tiziano; Malavolta, Luca; Borsato, Luca; Turrini, Diego; Bonfanti, Andrea; Polychroni, Danae; Mantovan, Giacomo; Nardiello, Domenico; Nascimbeni, Valerio; Lanza, Antonino Francesco; Bekkelien, Anja; Sozzetti, Alessandro; et al. (Astronomy and Astrophysics, 2025)