value	quality	siderealorsynodic	author	ref	method
8.3570	2+	Synodic	Behrend	LCDB	Lightcurve
8.3601	2	Sidereal	Durech	2020A&A...643A..59D	Model
8.3602	2	Sidereal	Durech	2023A&A...675A..24D	Model