value	unc_up	unc_lo	author	ref	method
6.83	nan	nan	Durech	2023A&A...675A..24D	Model
6.83	nan	nan	Pal	2020ApJS..247...26P	Lightcurve
6.84	nan	nan	Waszczak	2015AJ....150...75W	Lightcurve