first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S V 0.1092 0.1390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V V 0.2841 0.1390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT