value	unc_up	unc_lo	author	ref	method
7.92	2.051	2.051	Masiero	2017AJ....154..168M	NEATM
8.29	0.152	0.152	Masiero	2011ApJ...741...68M	NEATM
8.59	0.250	0.250	Masiero	2011ApJ...741...68M	NEATM