value	unc_up	unc_lo	author	ref	method
3.42	0.660	0.660	Nugent	2016AJ....152...63N	NEATM
4.25	0.383	0.383	Masiero	2011ApJ...741...68M	NEATM
5.49	1.120	1.120	Nugent	2016AJ....152...63N	NEATM