value	unc_up	unc_lo	author	ref	method
0.230	0.1400	0.1400	Nugent	2016AJ....152...63N	NEATM
0.248	0.0537	0.0537	Masiero	2011ApJ...741...68M	NEATM
0.290	0.1000	0.1000	Nugent	2016AJ....152...63N	NEATM