value	unc_up	unc_lo	author	ref	method
0.230	0.0900	0.0900	Nugent	2016AJ....152...63N	NEATM
0.270	0.1000	0.1000	Nugent	2016AJ....152...63N	NEATM
0.276	0.0376	0.0376	Masiero	2011ApJ...741...68M	NEATM