value	unc_up	unc_lo	author	ref	method
0.077	0.0271	0.0271	Masiero	2017AJ....154..168M	NEATM
0.108	0.0860	0.0860	Masiero	2020PSJ.....1....5M	NEATM
0.128	0.0176	0.0176	Masiero	2011ApJ...741...68M	NEATM