first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S D 0.2909 0.2150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X D 0.2405 0.2150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT