value	unc_up	unc_lo	author	ref	method
4.38	0.740	0.740	Nugent	2016AJ....152...63N	NEATM
4.45	0.125	0.125	Masiero	2011ApJ...741...68M	NEATM
4.86	0.200	0.200	Masiero	2011ApJ...741...68M	NEATM