value	unc_up	unc_lo	author	ref	method
0.067	0.0334	0.0334	Masiero	2017AJ....154..168M	NEATM
0.068	0.0110	0.0110	Masiero	2011ApJ...741...68M	NEATM
0.070	0.0300	0.0520	Masiero	2021PSJ.....2..162M	NEATM