first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method Ds Ds Movis NIR Popescu 2018A&A...617A..12P PHOT S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT S 0.271 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT