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 B 0.9482 0.9482 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C 0.654 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT C 0.930000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC