value	quality	siderealorsynodic	author	ref	method
2.5700	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
2.5787	3-	Synodic	Simpson	2013MPBu...40..146S	Lightcurve
2.5800	2	Synodic	Chang	2015ApJS..219...27C	Lightcurve
2.5820	3-	Synodic	Oszkiewicz	2020A&A...643A.117O	Lightcurve