first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B Bus VIS Bus 2002Icar..158..146B SPEC B 0.555 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT B C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT S M 0.630000 0.240000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC