first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D Bus VIS Lazzaro 2004Icar..172..179L SPEC K 0.930 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT S M 0.550000 0.260000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC T Tholen VIS Lazzaro 2004Icar..172..179L SPEC