value	unc_up	unc_lo	author	ref	method
4.09	0.770	0.770	Nugent	2016AJ....152...63N	NEATM
4.78	0.100	0.100	Masiero	2014ApJ...791..121M	NEATM
5.04	0.037	0.037	Masiero	2011ApJ...741...68M	NEATM