first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C Bus-DeMeo VIS De Pra 2020Icar..33813473D SPEC C 0.950000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC C P 0.660000 0.300000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC