value	unc_up	unc_lo	author	ref	method
0.049	0.0331	0.0331	Masiero	2017AJ....154..168M	NEATM
0.051	0.0245	0.0245	Masiero	2011ApJ...741...68M	NEATM
0.056	0.0280	0.0560	Masiero	2021PSJ.....2..162M	NEATM