first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D K 0.5391 0.3260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT K K 0.4246 0.3260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT XD 0.18 Bus VIS Carvano 2010A&A...510A..43C PHOT