value	unc_up	unc_lo	author	ref	method
6.99	0.309	0.309	Masiero	2011ApJ...741...68M	NEATM
7.85	2.210	2.210	Masiero	2020PSJ.....1....5M	NEATM
8.27	2.191	2.191	Masiero	2017AJ....154..168M	NEATM