value	unc_up	unc_lo	author	ref	method
4.02	1.060	1.060	Nugent	2016AJ....152...63N	NEATM
4.38	0.230	0.230	Masiero	2011ApJ...741...68M	NEATM
4.42	0.235	0.235	Masiero	2011ApJ...741...68M	NEATM