first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method V V 1.0000 0.8570 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S 0.979 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT