value	quality	siderealorsynodic	author	ref	method
17.5050	3	Synodic	Garceran	2015MPBu...42..235G	Lightcurve
17.5557	2	Sidereal	Durech	2019A&A...631A...2D	Model
17.5600	2	Synodic	Behrend	LCDB	Lightcurve