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 0.0378 0.0380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C 0.31 Bus VIS Carvano 2010A&A...510A..43C PHOT