value	unc_up	unc_lo	author	ref	method
4.22	0.960	0.960	Nugent	2016AJ....152...63N	NEATM
5.00	0.153	0.153	Masiero	2011ApJ...741...68M	NEATM
5.01	1.110	1.110	Masiero	2012ApJ...759L...8M	NEATM