first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S Tholen VIS Lazzaro 1999Icar..142..445L SPEC S Tholen VISNIR Nathues 2010Icar..208..252N SPEC+PHOT S 0.991 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT