first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S S 0.3190 0.4620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.5531 0.4620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT XL 0.14 Bus VIS Carvano 2010A&A...510A..43C PHOT