value	unc_up	unc_lo	author	ref	method
5.90	1.570	1.570	Nugent	2016AJ....152...63N	NEATM
6.54	1.490	1.490	Masiero	2021PSJ.....2..162M	NEATM
6.80	2.585	2.585	Masiero	2017AJ....154..168M	NEATM
7.01	0.036	0.036	Masiero	2011ApJ...741...68M	NEATM
7.25	2.370	2.370	Masiero	2012ApJ...759L...8M	NEATM