value	quality	siderealorsynodic	author	ref	method
15.8190	2+	Synodic	Warner	2005MPBu...32...90W	Lightcurve
15.8250	3	Synodic	Pilcher	2009MPBu...36..100P	Lightcurve
15.8287	2	Sidereal	Durech	2023A&A...675A..24D	Model
15.8287	2	Sidereal	Hanus	2013A&A...551A..67H	Model
18.9900	2	Synodic	Behrend	LCDB	Lightcurve