value	unc_up	unc_lo	author	ref	method
3.16	0.740	0.740	Nugent	2016AJ....152...63N	NEATM
3.64	0.860	0.860	Nugent	2016AJ....152...63N	NEATM
4.38	0.145	0.145	Masiero	2011ApJ...741...68M	NEATM