value	unc_up	unc_lo	author	ref	method
0.067	0.0740	0.0740	Masiero	2012ApJ...759L...8M	NEATM
0.077	0.0120	0.0120	Masiero	2011ApJ...741...68M	NEATM
0.080	0.0494	0.0494	Masiero	2017AJ....154..168M	NEATM