value	quality	siderealorsynodic	author	ref	method
10.8980	3	Synodic	Behrend	LCDB	Lightcurve
10.9023	2	Sidereal	Durech	2016A&A...587A..48D	Model
10.9023	2	Sidereal	Durech	2023A&A...675A..24D	Model