value	unc_up	unc_lo	author	ref	method
4.22	0.770	0.770	Nugent	2016AJ....152...63N	NEATM
5.62	0.079	0.079	Masiero	2011ApJ...741...68M	NEATM
5.88	0.220	0.220	Masiero	2012ApJ...759L...8M	NEATM