first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D Bus VIS Morate 2019A&A..630A.141M SPEC L 0.151 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT M L 0.660000 0.330000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC