first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method Q 0.09 Bus VIS Carvano 2010A&A...510A..43C PHOT V V 0.3104 0.2300 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X V 0.0142 0.2300 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT