value	quality	siderealorsynodic	author	ref	method
2.7120	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
2.7120	3	Synodic	Behrend	LCDB	Lightcurve
2.7122	2	Sidereal	Durech	2020A&A...643A..59D	Model