value	unc_up	unc_lo	author	ref	method
12.47	3.740	3.740	Nugent	2016AJ....152...63N	NEATM
13.65	4.440	4.440	Nugent	2016AJ....152...63N	NEATM
16.71	0.160	0.160	Masiero	2011ApJ...741...68M	NEATM