first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method K K 0.0886 0.0870 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V K 0.4064 0.0870 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT