value	unc_up	unc_lo	author	ref	method
0.220	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM
0.232	0.0347	0.0347	Masiero	2011ApJ...741...68M	NEATM
0.261	0.0188	0.0188	Masiero	2011ApJ...741...68M	NEATM