value	unc_up	unc_lo	author	ref	method
4.77	1.250	1.250	Nugent	2016AJ....152...63N	NEATM
5.03	0.090	0.090	Masiero	2014ApJ...791..121M	NEATM
5.07	0.169	0.169	Masiero	2011ApJ...741...68M	NEATM
5.29	0.116	0.116	Masiero	2011ApJ...741...68M	NEATM