value	unc_up	unc_lo	author	ref	method
8.94	nan	nan	Waszczak	2015AJ....150...75W	Lightcurve
8.97	nan	nan	Durech	2020A&A...643A..59D	Model
8.97	nan	nan	Pal	2020ApJS..247...26P	Lightcurve