first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT B B 0.6625 0.6625 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C 0.51 Bus VIS Carvano 2010A&A...510A..43C PHOT