value	unc_up	unc_lo	author	ref	method
6.39	0.070	0.070	Masiero	2014ApJ...791..121M	NEATM
6.78	1.363	1.363	Masiero	2017AJ....154..168M	NEATM
7.19	0.029	0.029	Masiero	2011ApJ...741...68M	NEATM