value	unc_up	unc_lo	author	ref	method
5.10	1.190	1.190	Nugent	2016AJ....152...63N	NEATM
5.69	0.057	0.057	Masiero	2011ApJ...741...68M	NEATM
6.65	1.800	1.800	Masiero	2021PSJ.....2..162M	NEATM