value	unc_up	unc_lo	author	ref	method
5.01	0.820	0.820	Nugent	2016AJ....152...63N	NEATM
5.39	0.070	0.070	Masiero	2014ApJ...791..121M	NEATM
5.40	0.030	0.030	Masiero	2011ApJ...741...68M	NEATM
6.09	0.240	0.240	Masiero	2012ApJ...759L...8M	NEATM