value	unc_up	unc_lo	author	ref	method
3.24	0.098	0.098	Masiero	2011ApJ...741...68M	NEATM
3.31	0.980	0.980	Masiero	2020PSJ.....1....5M	NEATM
3.50	0.941	0.941	Masiero	2017AJ....154..168M	NEATM