first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D S 0.0697 0.0700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V S 0.1679 0.0700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT