value	unc_up	unc_lo	author	ref	method
0.217	0.1151	0.1151	Masiero	2017AJ....154..168M	NEATM
0.348	0.0209	0.0209	Masiero	2011ApJ...741...68M	NEATM
0.355	0.1422	0.1422	Masiero	2017AJ....154..168M	NEATM