value	quality	siderealorsynodic	author	ref	method
6.0900	3-	Synodic	Behrend	LCDB	Lightcurve
6.1904	2	Sidereal	Durech	2018A&A...617A..57D	Model
6.1908	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve