value	unc_up	unc_lo	author	ref	method
7.02	1.660	1.660	Masiero	2021PSJ.....2..162M	NEATM
7.17	2.160	2.160	Nugent	2016AJ....152...63N	NEATM
7.74	0.140	0.140	Masiero	2012ApJ...759L...8M	NEATM