value	unc_up	unc_lo	author	ref	method
7.26	2.390	2.390	Masiero	2017AJ....154..168M	NEATM
8.36	1.668	1.668	Masiero	2017AJ....154..168M	NEATM
9.12	0.266	0.266	Masiero	2011ApJ...741...68M	NEATM