Brightness evolution of LEO Starlink mega-constellation satellites from 2021 to 2023: a multiyear ground-based photometric study. - Longa-Peña, P; Tregloan-Reed, J; Adam, C; Chamoun-Contreras, J; Unda-Sanzana, E; Ávalos-Vega, C; Amadio, F; Andersen, M; Bonavita, M; Bozza, V (Monthly Notices of the Royal Astronomical Society, 2026)