value	unc_up	unc_lo	author	ref	method
5.12	2.140	2.140	Nugent	2016AJ....152...63N	NEATM
6.62	0.417	0.417	Masiero	2011ApJ...741...68M	NEATM
7.48	0.375	0.375	Masiero	2011ApJ...741...68M	NEATM