value	unc_up	unc_lo	author	ref	method
5.26	1.260	1.260	Nugent	2016AJ....152...63N	NEATM
6.79	0.191	0.191	Masiero	2011ApJ...741...68M	NEATM
7.32	0.171	0.171	Masiero	2011ApJ...741...68M	NEATM
7.63	2.010	2.010	Masiero	2021PSJ.....2..162M	NEATM