first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D X 0.0616 0.2700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X X 0.3237 0.2700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT XL 0.16 Bus VIS Carvano 2010A&A...510A..43C PHOT