value	unc_up	unc_lo	author	ref	method
0.160	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.198	0.0306	0.0306	Masiero	2011ApJ...741...68M	NEATM
0.230	0.0400	0.0400	Masiero	2014ApJ...791..121M	NEATM
0.232	0.0340	0.0340	Masiero	2012ApJ...759L...8M	NEATM