value	unc_up	unc_lo	author	ref	method
7.17	2.326	2.326	Masiero	2017AJ....154..168M	NEATM
7.90	2.070	2.070	Masiero	2020PSJ.....1....5M	NEATM
9.40	0.508	0.508	Masiero	2011ApJ...741...68M	NEATM