first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B B 0.2323 0.1590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C B 0.0468 0.1590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT