value	unc_up	unc_lo	author	ref	method
7.29	1.920	1.920	Nugent	2016AJ....152...63N	NEATM
7.70	1.990	1.990	Nugent	2016AJ....152...63N	NEATM
8.07	0.230	0.230	Masiero	2012ApJ...759L...8M	NEATM