first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S 0.33 Bus VIS Carvano 2010A&A...510A..43C PHOT S S 0.7827 0.6520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V S 0.4071 0.6520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT