value	quality	siderealorsynodic	author	ref	method
9.0400	2	Synodic	Behrend	LCDB	Lightcurve
9.0440	3-	Synodic	Behrend	LCDB	Lightcurve
9.0500	2	Synodic	Bennefeld	2009MPBu...36...45B	Lightcurve
9.0532	2	Sidereal	Durech	2018A&A...620A..91D	Model
9.0532	2	Sidereal	Durech	2019A&A...631A...2D	Model
9.0533	2	Sidereal	Durech	2023A&A...675A..24D	Model