value	unc_up	unc_lo	author	ref	method
0.250	0.1500	0.1500	Nugent	2016AJ....152...63N	NEATM
0.319	0.0314	0.0314	Masiero	2011ApJ...741...68M	NEATM
0.351	0.0580	0.0580	Masiero	2011ApJ...741...68M	NEATM