value	unc_up	unc_lo	author	ref	method
6.80	2.300	2.300	Nugent	2016AJ....152...63N	NEATM
7.17	1.650	1.650	Masiero	2021PSJ.....2..162M	NEATM
7.23	1.959	1.959	Masiero	2017AJ....154..168M	NEATM
7.60	0.160	0.160	Masiero	2011ApJ...741...68M	NEATM
8.37	3.540	3.540	Masiero	2012ApJ...759L...8M	NEATM
8.47	3.030	3.030	Masiero	2021PSJ.....2..162M	NEATM