value	unc_up	unc_lo	author	ref	method
4.11	0.996	0.996	Masiero	2017AJ....154..168M	NEATM
4.71	0.165	0.165	Masiero	2011ApJ...741...68M	NEATM
6.09	1.820	1.820	Masiero	2021PSJ.....2..162M	NEATM
6.94	2.076	2.076	Masiero	2017AJ....154..168M	NEATM