value	unc_up	unc_lo	author	ref	method
0.050	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM
0.051	0.0081	0.0081	Masiero	2011ApJ...741...68M	NEATM
0.062	0.0250	0.0250	Masiero	2017AJ....154..168M	NEATM
0.073	0.0230	0.0230	Masiero	2012ApJ...759L...8M	NEATM