value	unc_up	unc_lo	author	ref	method
7.68	1.230	1.230	Nugent	2016AJ....152...63N	NEATM
7.70	0.120	0.120	Masiero	2014ApJ...791..121M	NEATM
8.00	0.070	0.070	Masiero	2011ApJ...741...68M	NEATM
8.12	1.670	1.670	Nugent	2016AJ....152...63N	NEATM