value	unc_up	unc_lo	author	ref	method
4.62	1.173	1.173	Masiero	2017AJ....154..168M	NEATM
5.29	1.405	1.405	Masiero	2011ApJ...741...68M	NEATM
5.65	1.790	1.790	Masiero	2021PSJ.....2..162M	NEATM