first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D 0.38 Bus VIS Carvano 2010A&A...510A..43C PHOT D D 0.3372 0.3372 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X 0.327 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT