value	quality	siderealorsynodic	author	ref	method
8.4150	2	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve
8.4155	2	Sidereal	Durech	2019A&A...631A...2D	Model
8.4159	2	Sidereal	Durech	2018A&A...620A..91D	Model