value	unc_up	unc_lo	author	ref	method
5.38	1.290	1.290	Nugent	2016AJ....152...63N	NEATM
6.65	2.200	2.200	Masiero	2021PSJ.....2..162M	NEATM
7.17	0.052	0.052	Masiero	2011ApJ...741...68M	NEATM