value	unc_up	unc_lo	author	ref	method
6.15	2.443	2.443	Masiero	2017AJ....154..168M	NEATM
7.02	0.055	0.055	Masiero	2011ApJ...741...68M	NEATM
7.31	1.980	1.980	Masiero	2017AJ....154..168M	NEATM