first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT S 0.25 Bus VIS Carvano 2010A&A...510A..43C PHOT S S 0.5920 0.3370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT