value	unc_up	unc_lo	author	ref	method
3.80	1.120	1.120	Nugent	2016AJ....152...63N	NEATM
5.37	0.099	0.099	Masiero	2011ApJ...741...68M	NEATM
5.48	0.118	0.118	Masiero	2011ApJ...741...68M	NEATM