first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method XL 0.11 Bus VIS Carvano 2010A&A...510A..43C PHOT C 0.616 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT S S 0.4204 0.4204 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT