value	quality	siderealorsynodic	author	ref	method
3.9840	2-	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve
3.9842	2	Sidereal	Durech	2020A&A...643A..59D	Model
3.9970	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve