value	unc_up	unc_lo	author	ref	method
0.045	0.0280	0.0280	Masiero	2017AJ....154..168M	NEATM
0.048	0.0058	0.0058	Masiero	2011ApJ...741...68M	NEATM
0.055	0.0370	0.0370	Masiero	2020PSJ.....1....5M	NEATM