first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B 0.156 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT B B 0.3304 0.2500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C B 0.0815 0.2500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT