value	unc_up	unc_lo	author	ref	method
0.056	0.0090	0.0090	Masiero	2012ApJ...759L...8M	NEATM
0.067	0.0122	0.0122	Masiero	2011ApJ...741...68M	NEATM
0.067	0.0428	0.0428	Masiero	2017AJ....154..168M	NEATM