value	quality	siderealorsynodic	author	ref	method
19.8020	2	Sidereal	Durech	2018A&A...620A..91D	Model
19.8022	2	Sidereal	Durech	2019A&A...631A...2D	Model
19.8026	2	Sidereal	Durech	2023A&A...675A..24D	Model
2.8560	1	Synodic	Waszczak	2015AJ....150...75W	Lightcurve