value	unc_up	unc_lo	author	ref	method
0.050	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM
0.060	0.0264	0.0264	Masiero	2011ApJ...741...68M	NEATM
0.061	0.0450	0.0450	Masiero	2012ApJ...759L...8M	NEATM