value	quality	siderealorsynodic	author	ref	method
8.7631	2	Sidereal	Durech	2016A&A...587A..48D	Model
8.7631	2	Sidereal	Durech	2023A&A...675A..24D	Model
8.7638	3	Synodic	Behrend	LCDB	Lightcurve
8.7680	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
8.7870	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve