value	unc_up	unc_lo	author	ref	method
4.36	1.200	1.200	Nugent	2016AJ....152...63N	NEATM
5.85	1.470	1.470	Nugent	2016AJ....152...63N	NEATM
6.16	0.073	0.073	Masiero	2011ApJ...741...68M	NEATM
6.38	0.205	0.205	Masiero	2011ApJ...741...68M	NEATM