first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D V 0.2919 0.2660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V V 0.6584 0.2660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT