value	unc_up	unc_lo	author	ref	method
7.78	1.360	1.360	Nugent	2016AJ....152...63N	NEATM
7.81	0.080	0.080	Masiero	2014ApJ...791..121M	NEATM
8.21	0.065	0.065	Masiero	2011ApJ...741...68M	NEATM
8.48	0.160	0.160	Masiero	2014ApJ...791..121M	NEATM
9.07	0.047	0.047	Masiero	2011ApJ...741...68M	NEATM