first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method V V 0.0968 0.0390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT C V 0.0396 0.0390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT