value	unc_up	unc_lo	author	ref	method
5.24	1.070	1.070	Nugent	2016AJ....152...63N	NEATM
5.62	0.080	0.080	Masiero	2012ApJ...759L...8M	NEATM
5.75	0.100	0.100	Masiero	2014ApJ...791..121M	NEATM
5.79	0.043	0.043	Masiero	2011ApJ...741...68M	NEATM