first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S 0.14 Bus VIS Carvano 2010A&A...510A..43C PHOT S S 0.6053 0.5920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V S 0.0236 0.5920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT