value	unc_up	unc_lo	author	ref	method
0.190	0.0800	0.0800	Nugent	2016AJ....152...63N	NEATM
0.209	0.0244	0.0244	Masiero	2011ApJ...741...68M	NEATM
0.220	0.0500	0.0500	Masiero	2014ApJ...791..121M	NEATM