value	unc_up	unc_lo	author	ref	method
3.51	0.800	0.800	Nugent	2016AJ....152...63N	NEATM
3.88	0.820	0.820	Nugent	2016AJ....152...63N	NEATM
4.26	0.620	0.620	Masiero	2011ApJ...741...68M	NEATM