first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method A V 0.0832 0.0880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V V 0.2012 0.0880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT