value	unc_up	unc_lo	author	ref	method
4.67	1.180	1.180	Nugent	2016AJ....152...63N	NEATM
5.39	0.117	0.117	Masiero	2011ApJ...741...68M	NEATM
5.94	0.128	0.128	Masiero	2011ApJ...741...68M	NEATM