first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.930000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC C C 0.5705 0.5705 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT Ch Bus VIS Bus 2002Icar..158..146B SPEC