value	quality	siderealorsynodic	author	ref	method
19.7000	2	Synodic	Brinsfield	2008MPBu...35...86B	Lightcurve
20.3900	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
20.3900	2+	Synodic	Oey	2011MPBu...38..221O	Lightcurve
20.4200	2	Synodic	Behrend	LCDB	Lightcurve
20.4222	2	Sidereal	Durech	2023A&A...675A..24D	Model