first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method U Popescu NIR Mansour 2020MNRAS.491.5966M SPEC+PHOT V DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT V 0.13 Bus VIS Carvano 2010A&A...510A..43C PHOT V V 0.9251 0.9230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT