value	unc_up	unc_lo	author	ref	method
0.033	0.0164	0.0164	Masiero	2017AJ....154..168M	NEATM
0.036	0.0128	0.0128	Masiero	2011ApJ...741...68M	NEATM
0.054	0.0240	0.0450	Masiero	2021PSJ.....2..162M	NEATM