value	unc_up	unc_lo	author	ref	method
4.53	1.080	1.080	Nugent	2016AJ....152...63N	NEATM
4.75	0.860	0.860	Masiero	2012ApJ...759L...8M	NEATM
5.67	0.031	0.031	Masiero	2011ApJ...741...68M	NEATM