value	unc_up	unc_lo	author	ref	method
3.31	0.670	0.670	Nugent	2016AJ....152...63N	NEATM
3.60	0.565	0.565	Masiero	2011ApJ...741...68M	NEATM
3.87	0.721	0.721	Masiero	2011ApJ...741...68M	NEATM