value	quality	siderealorsynodic	author	ref	method
7.6000	2+	Synodic	Behrend	LCDB	Lightcurve
7.7475	3-	Synodic	Lang	2015MPBu...42..136L	Lightcurve
7.7477	2	Sidereal	Durech	2020A&A...643A..59D	Model
7.7477	2	Sidereal	Durech	2023A&A...675A..24D	Model