value	unc_up	unc_lo	author	ref	method
3.02	nan	nan	Casalnuovo	2017MPBu...44..178C	Lightcurve
3.22	nan	nan	Pal	2020ApJS..247...26P	Lightcurve
3.22	nan	nan	Behrend	LCDB	Lightcurve