value	unc_up	unc_lo	author	ref	method
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.040	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.077	0.0120	0.0120	Masiero	2012ApJ...759L...8M	NEATM
0.084	0.0105	0.0105	Masiero	2011ApJ...741...68M	NEATM
0.090	0.0100	0.0100	Masiero	2014ApJ...791..121M	NEATM