first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S Bus VIS Bus 2002Icar..158..146B SPEC S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC S Ad Movis NIR Popescu 2018A&A...617A..12P PHOT S S 0.5457 0.5457 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT