value	unc_up	unc_lo	author	ref	method
6.02	1.780	1.780	Masiero	2021PSJ.....2..162M	NEATM
6.26	1.690	1.690	Nugent	2016AJ....152...63N	NEATM
7.14	0.057	0.057	Masiero	2011ApJ...741...68M	NEATM
7.19	3.010	3.010	Masiero	2012ApJ...759L...8M	NEATM