value	unc_up	unc_lo	author	ref	method
8.33	0.391	0.391	Masiero	2011ApJ...741...68M	NEATM
8.50	2.776	2.776	Masiero	2017AJ....154..168M	NEATM
9.37	2.938	2.938	Masiero	2017AJ....154..168M	NEATM