value	unc_up	unc_lo	author	ref	method
0.026	0.0540	0.0540	Masiero	2012ApJ...759L...8M	NEATM
0.027	0.0129	0.0129	Masiero	2017AJ....154..168M	NEATM
0.054	0.0145	0.0145	Masiero	2011ApJ...741...68M	NEATM