value	unc_up	unc_lo	author	ref	method
5.57	1.290	1.290	Nugent	2016AJ....152...63N	NEATM
6.08	0.110	0.110	Masiero	2011ApJ...741...68M	NEATM
6.21	1.230	1.230	Nugent	2016AJ....152...63N	NEATM