first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method Q Tholen VIS Tatsumi 2022A&A...664A.107T SPEC S Tholen VIS Tatsumi 2022A&A...664A.107T SPEC S Q 0.780000 0.220000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC Sq Bus VIS Bus 2002Icar..158..146B SPEC