value	unc_up	unc_lo	author	ref	method
0.043	0.0226	0.0226	Masiero	2017AJ....154..168M	NEATM
0.048	0.0234	0.0234	Masiero	2017AJ....154..168M	NEATM
0.057	0.0130	0.0130	Masiero	2011ApJ...741...68M	NEATM
0.069	0.0060	0.0060	Masiero	2011ApJ...741...68M	NEATM