first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.11 Bus VIS Carvano 2010A&A...510A..43C PHOT S S 0.3393 0.2360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X S 0.1455 0.2360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT