value	unc_up	unc_lo	author	ref	method
3.75	1.005	1.005	Masiero	2017AJ....154..168M	NEATM
4.04	0.101	0.101	Masiero	2011ApJ...741...68M	NEATM
5.06	1.390	1.390	Masiero	2021PSJ.....2..162M	NEATM