value	quality	siderealorsynodic	author	ref	method
6.5360	3-	Synodic	Menke	2008MPBu...35..155M	Lightcurve
6.5371	2	Sidereal	Athanasopoulos	2022A&A...666A.116A	Model
6.5371	2	Sidereal	Durech	2020A&A...643A..59D	Model