first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method B 0.320 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT C P 0.770000 0.220000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC