first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method L L 0.1746 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S L 0.4143 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT