value	unc_up	unc_lo	author	ref	method
0.250	0.1500	0.1500	Nugent	2016AJ....152...63N	NEATM
0.280	0.1100	0.1100	Nugent	2016AJ....152...63N	NEATM
0.327	0.0572	0.0572	Masiero	2011ApJ...741...68M	NEATM
0.380	0.0800	0.0800	Masiero	2014ApJ...791..121M	NEATM