first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method A 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT L L 0.5290 0.5290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT