value	unc_up	unc_lo	author	ref	method
0.040	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.080	0.0640	0.0640	Masiero	2012ApJ...759L...8M	NEATM
0.135	0.0240	0.0240	Masiero	2011ApJ...741...68M	NEATM
0.160	0.0200	0.0200	Masiero	2014ApJ...791..121M	NEATM