value	unc_up	unc_lo	author	ref	method
7.29	2.130	2.130	Nugent	2016AJ....152...63N	NEATM
7.55	0.164	0.164	Masiero	2011ApJ...741...68M	NEATM
7.58	2.162	2.162	Masiero	2017AJ....154..168M	NEATM
7.59	1.870	1.870	Masiero	2021PSJ.....2..162M	NEATM
7.91	2.960	2.960	Masiero	2021PSJ.....2..162M	NEATM
8.34	2.380	2.380	Masiero	2020PSJ.....1....5M	NEATM
8.98	2.650	2.650	Masiero	2020PSJ.....1....5M	NEATM