value	unc_up	unc_lo	author	ref	method
4.22	0.760	0.760	Nugent	2016AJ....152...63N	NEATM
4.33	0.078	0.078	Masiero	2011ApJ...741...68M	NEATM
5.75	1.420	1.420	Nugent	2016AJ....152...63N	NEATM