value	unc_up	unc_lo	author	ref	method
4.72	0.970	0.970	Nugent	2016AJ....152...63N	NEATM
5.67	0.420	0.420	Masiero	2014ApJ...791..121M	NEATM
5.89	0.084	0.084	Masiero	2011ApJ...741...68M	NEATM
6.18	0.200	0.200	Masiero	2012ApJ...759L...8M	NEATM