value	unc_up	unc_lo	author	ref	method
3.53	0.860	0.860	Nugent	2016AJ....152...63N	NEATM
4.39	0.147	0.147	Masiero	2011ApJ...741...68M	NEATM
4.69	0.165	0.165	Masiero	2011ApJ...741...68M	NEATM