value	quality	siderealorsynodic	author	ref	method
4.2000	1	Synodic	Iowa	LCDB	Lightcurve
4.3000	2	Synodic	Lagerkvist	1978A&AS...31..361L	Lightcurve
8.7000	3	Synodic	Durkee	2010MPBu...37..125D	Lightcurve
8.7020	3-	Synodic	Behrend	LCDB	Lightcurve