value	quality	siderealorsynodic	author	ref	method
8.9784	2	Sidereal	Durech	2023A&A...675A..24D	Model
8.9784	2	Sidereal	Durech	2018A&A...617A..57D	Model
8.9784	2	Sidereal	Durech	2020A&A...643A..59D	Model
8.9800	2-	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve