first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method A A 0.0259 0.0240 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V A 0.0183 0.0240 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT