first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S S 0.1442 0.1290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V S 0.0121 0.1290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT