first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D S 0.2758 0.1980 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT L S 0.1812 0.1980 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT