value	unc_up	unc_lo	author	ref	method
5.93	1.750	1.750	Masiero	2021PSJ.....2..162M	NEATM
6.05	1.720	1.720	Masiero	2012ApJ...759L...8M	NEATM
6.43	2.070	2.070	Nugent	2016AJ....152...63N	NEATM
6.69	0.049	0.049	Masiero	2011ApJ...741...68M	NEATM