value	quality	siderealorsynodic	author	ref	method
15.0000	2	Synodic	Chang	2015ApJS..219...27C	Lightcurve
15.0040	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
15.0050	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve