first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method D Tholen VIS Dahlgren 1997A&A...323..606D SPEC D 0.134 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT Ds Ds Movis NIR Popescu 2018A&A...617A..12P PHOT