value	quality	siderealorsynodic	author	ref	method
9.9879	2	Sidereal	Durech	2023A&A...675A..24D	Model
9.9917	2	Sidereal	Athanasopoulos	2022A&A...666A.116A	Model
9.9918	2	Sidereal	Durech	2019A&A...631A...2D	Model
9.9930	3-	Synodic	Behrend	LCDB	Lightcurve