first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S 0.18 Bus VIS Carvano 2010A&A...510A..43C PHOT S 0.332 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT S S 0.7150 0.7150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT