value	unc_up	unc_lo	author	ref	method
7.35	1.920	1.920	Nugent	2016AJ....152...63N	NEATM
7.64	2.420	2.420	Masiero	2021PSJ.....2..162M	NEATM
8.10	0.052	0.052	Masiero	2011ApJ...741...68M	NEATM
8.14	2.991	2.991	Masiero	2017AJ....154..168M	NEATM
8.96	3.250	3.250	Masiero	2021PSJ.....2..162M	NEATM