first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method V V 0.1056 0.0440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X V 0.0301 0.0440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT