value	quality	siderealorsynodic	author	ref	method
19.7120	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
19.7231	2	Sidereal	Durech	2023A&A...675A..24D	Model
19.7240	2	Sidereal	Durech	2018A&A...617A..57D	Model