value	quality	siderealorsynodic	author	ref	method
17.7320	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
17.7505	2	Sidereal	Durech	2023A&A...675A..24D	Model
17.7548	2	Sidereal	Durech	2019A&A...631A...2D	Model