first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method K 0.506 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT S S 0.2202 0.2202 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT XD 0.06 Bus VIS Carvano 2010A&A...510A..43C PHOT