value	unc_up	unc_lo	author	ref	method
0.280	0.0800	0.0800	Nugent	2016AJ....152...63N	NEATM
0.297	0.1606	0.1606	Masiero	2011ApJ...741...68M	NEATM
0.310	0.0300	0.0300	Masiero	2014ApJ...791..121M	NEATM