first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D D 0.5147 0.5450 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT D D 0.5677 0.5450 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT