first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method P C 0.610000 0.270000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC X 0.737 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT Xc Bus VIS Bus 2002Icar..158..146B SPEC