value	unc_up	unc_lo	author	ref	method
6.85	1.640	1.640	Nugent	2016AJ....152...63N	NEATM
7.58	2.160	2.160	Masiero	2020PSJ.....1....5M	NEATM
8.81	0.068	0.068	Masiero	2011ApJ...741...68M	NEATM
9.60	2.820	2.820	Masiero	2021PSJ.....2..162M	NEATM