first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method Ad Ad Movis NIR Popescu 2018A&A...617A..12P PHOT S S 0.2778 0.2600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT V S 0.0276 0.2600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT