value	quality	siderealorsynodic	author	ref	method
6.7295	3	Synodic	Behrend	LCDB	Lightcurve
6.7298	2	Sidereal	Durech	2016A&A...587A..48D	Model
6.7300	2	Sidereal	Jiang	2020AJ....159..264J	Model
6.7300	2	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve