value	unc_up	unc_lo	author	ref	method
6.29	2.230	2.230	Masiero	2021PSJ.....2..162M	NEATM
6.50	2.110	2.110	Nugent	2016AJ....152...63N	NEATM
7.20	0.155	0.155	Masiero	2011ApJ...741...68M	NEATM
7.78	3.430	3.430	Masiero	2012ApJ...759L...8M	NEATM