value	unc_up	unc_lo	author	ref	method
8.17	0.108	0.108	Masiero	2011ApJ...741...68M	NEATM
8.20	2.312	2.312	Masiero	2017AJ....154..168M	NEATM
9.24	2.630	2.630	Masiero	2017AJ....154..168M	NEATM