value	unc_up	unc_lo	author	ref	method
29.31	nan	nan	Mottola	2011AJ....141..170M	Lightcurve
29.82	nan	nan	Ryan	2017AJ....153..116R	Lightcurve
29.93	nan	nan	Szabo	2017A&A...599A..44S	Lightcurve