value	unc_up	unc_lo	author	ref	method
5.20	1.230	1.230	Nugent	2016AJ....152...63N	NEATM
5.74	0.196	0.196	Masiero	2011ApJ...741...68M	NEATM
6.08	1.300	1.300	Masiero	2020PSJ.....1....5M	NEATM
6.67	1.980	1.980	Masiero	2021PSJ.....2..162M	NEATM
7.02	2.139	2.139	Masiero	2017AJ....154..168M	NEATM