first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C 0.777 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT C 0.960000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC Cgh Bus VIS Morate 2018A&A…610A..25M SPEC