value	unc_up	unc_lo	author	ref	method
0.100	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM
0.112	0.0160	0.0160	Masiero	2012ApJ...759L...8M	NEATM
0.121	0.0122	0.0122	Masiero	2011ApJ...741...68M	NEATM
0.260	0.0500	0.0500	Masiero	2014ApJ...791..121M	NEATM