value	unc_up	unc_lo	author	ref	method
6.55	1.823	1.823	Masiero	2017AJ....154..168M	NEATM
6.87	2.760	2.760	Masiero	2017AJ....154..168M	NEATM
7.10	0.158	0.158	Masiero	2011ApJ...741...68M	NEATM