value	unc_up	unc_lo	author	ref	method
0.049	0.0180	0.0290	Masiero	2021PSJ.....2..162M	NEATM
0.051	0.0229	0.0229	Masiero	2017AJ....154..168M	NEATM
0.053	0.0073	0.0073	Masiero	2011ApJ...741...68M	NEATM