first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method Q 0.15 Bus VIS Carvano 2010A&A...510A..43C PHOT S V 0.7029 0.4490 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V V 0.8302 0.4490 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT