first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D D 0.4670 0.4670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT M 0.930000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC