value	unc_up	unc_lo	author	ref	method
5.63	1.190	1.190	Nugent	2016AJ....152...63N	NEATM
5.79	1.170	1.170	Masiero	2021PSJ.....2..162M	NEATM
6.20	2.130	2.130	Masiero	2021PSJ.....2..162M	NEATM
6.58	1.619	1.619	Masiero	2017AJ....154..168M	NEATM
6.77	0.100	0.100	Masiero	2012ApJ...759L...8M	NEATM