value	unc_up	unc_lo	author	ref	method
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.051	0.0101	0.0101	Masiero	2011ApJ...741...68M	NEATM
0.058	0.0700	0.0700	Masiero	2012ApJ...759L...8M	NEATM