value	unc_up	unc_lo	author	ref	method
6.37	1.760	1.760	Nugent	2016AJ....152...63N	NEATM
6.65	2.774	2.774	Masiero	2017AJ....154..168M	NEATM
7.25	2.080	2.080	Masiero	2021PSJ.....2..162M	NEATM
8.11	0.284	0.284	Masiero	2011ApJ...741...68M	NEATM
8.26	0.095	0.095	Masiero	2011ApJ...741...68M	NEATM