value	quality	siderealorsynodic	author	ref	method
6.8360	2	Sidereal	Durech	2020A&A...643A..59D	Model
6.8360	3-	Synodic	Benishek	2015MPBu...42...75B	Lightcurve
6.8380	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
6.8430	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve