first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method V V 0.4629 0.1850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X V 0.0559 0.1850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT