first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B B 0.0696 0.0740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT B B 0.0901 0.0740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT