value	unc_up	unc_lo	author	ref	method
6.77	0.128	0.128	Masiero	2011ApJ...741...68M	NEATM
8.49	2.439	2.439	Masiero	2017AJ....154..168M	NEATM
9.12	2.770	2.770	Masiero	2020PSJ.....1....5M	NEATM