first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B B 0.2579 0.1620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C B 0.0392 0.1620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT