first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D S 0.4848 0.3140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.7471 0.3140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT SQ 0.07 Bus VIS Carvano 2010A&A...510A..43C PHOT