first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method S 0.980000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC X Sq Bus-DeMeo VISNIR Avdellidou 2022A&A...665L...9A SPEC Xc Bus VIS Bus 2002Icar..158..146B SPEC Xk Sq Bus-DeMeo VISNIR Avdellidou 2022A&A...665L...9A SPEC