first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method C C 0.0515 0.0515 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C K 0.520000 0.290000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC Cgh Bus VIS Morate 2018A&A…610A..25M SPEC