value	unc_up	unc_lo	author	ref	method
0.190	0.1200	0.1200	Nugent	2016AJ....152...63N	NEATM
0.278	0.0187	0.0187	Masiero	2011ApJ...741...68M	NEATM
0.290	0.0400	0.0400	Masiero	2014ApJ...791..121M	NEATM
0.392	0.2550	0.2550	Masiero	2012ApJ...759L...8M	NEATM