first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B B 0.4092 0.4540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT B B 0.5008 0.4540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT