first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S 0.09 Bus VIS Carvano 2010A&A...510A..43C PHOT S V 0.5116 0.4400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V V 0.6935 0.4400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT