value	unc_up	unc_lo	author	ref	method
3.31	0.830	0.830	Nugent	2016AJ....152...63N	NEATM
4.24	0.358	0.358	Masiero	2011ApJ...741...68M	NEATM
5.16	0.051	0.051	Masiero	2011ApJ...741...68M	NEATM