UV/Vis stratospheric air mass factors considering photochemistry at two Antarctic stations. - Gómez-Martín, Laura; Prados-Roman, Cristina; Chipperfield, Martyn P.; Van Roozendael, Michel; Puentedura, Olga; Navarro-Comas, Monica; Ochoa, Hector; Yela, Margarita (Atmospheric Measurement Techniques, 2026)