first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S Tholen VISNIR Nathues 2010Icar..208..252N SPEC+PHOT S 0.503 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT S S 0.9913 0.3950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT