value	unc_up	unc_lo	author	ref	method
0.033	0.0178	0.0178	Masiero	2017AJ....154..168M	NEATM
0.035	0.0051	0.0051	Masiero	2011ApJ...741...68M	NEATM
0.035	0.0228	0.0228	Masiero	2017AJ....154..168M	NEATM