value	unc_up	unc_lo	author	ref	method
4.32	1.133	1.133	Masiero	2017AJ....154..168M	NEATM
4.45	1.210	1.210	Masiero	2021PSJ.....2..162M	NEATM
4.68	0.980	0.980	Masiero	2021PSJ.....2..162M	NEATM
6.96	0.200	0.200	Masiero	2011ApJ...741...68M	NEATM