value	unc_up	unc_lo	author	ref	method
0.170	0.0900	0.0900	Nugent	2016AJ....152...63N	NEATM
0.250	0.0400	0.0400	Masiero	2014ApJ...791..121M	NEATM
0.261	0.0472	0.0472	Masiero	2011ApJ...741...68M	NEATM
0.450	0.1000	0.1000	Masiero	2014ApJ...791..121M	NEATM