value	quality	siderealorsynodic	author	ref	method
24.7200	2	Synodic	Behrend	LCDB	Lightcurve
50.8000	2	Synodic	Franco	2015MPBu...42..114F	Lightcurve
50.9211	2	Sidereal	Durech	2020A&A...643A..59D	Model