value	quality	siderealorsynodic	author	ref	method
15.5763	2	Sidereal	Durech	2018A&A...617A..57D	Model
15.5763	2	Sidereal	Durech	2020A&A...643A..59D	Model
15.6730	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
15.8000	2-	Synodic	Behrend	LCDB	Lightcurve