first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S 0.49 Bus VIS Carvano 2010A&A...510A..43C PHOT S Kl Movis NIR Popescu 2018A&A...617A..12P PHOT S S 0.9005 0.9005 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT