first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method L 0.20 Bus VIS Carvano 2010A&A...510A..43C PHOT L S 0.4614 0.3700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S S 0.6679 0.3700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT