first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D D 0.2835 0.2640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V D 0.1748 0.2640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT