first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S 0.865 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT S Kl Movis NIR Popescu 2018A&A...617A..12P PHOT S S 0.9954 0.9954 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT