first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.930000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC C B 0.770000 0.230000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC