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 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC D D 0.8709 0.8709 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT