value	quality	siderealorsynodic	author	ref	method
6.5615	2	Sidereal	Durech	2020A&A...643A..59D	Model
6.5800	2+	Synodic	Chang	2016ApJS..227...20C	Lightcurve
7.6030	2-	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve