value	unc_up	unc_lo	author	ref	method
11.46	nan	nan	Pal	2020ApJS..247...26P	Lightcurve
11.50	nan	nan	Rakos	1960LowOB...5...28R	Lightcurve
6.71	nan	nan	Warner	2018MPBu...45..366W	Lightcurve