first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method A A 0.2645 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT S A 0.3008 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT