value	unc_up	unc_lo	author	ref	method
0.210	0.1100	0.1100	Nugent	2016AJ....152...63N	NEATM
0.299	0.0330	0.0330	Masiero	2012ApJ...759L...8M	NEATM
0.346	0.0588	0.0588	Masiero	2011ApJ...741...68M	NEATM
0.350	0.0600	0.0600	Masiero	2014ApJ...791..121M	NEATM