value	unc_up	unc_lo	author	ref	method
0.068	0.0225	0.0225	Masiero	2011ApJ...741...68M	NEATM
0.070	0.0504	0.0504	Masiero	2017AJ....154..168M	NEATM
0.101	0.0410	0.0690	Masiero	2021PSJ.....2..162M	NEATM