value	unc_up	unc_lo	author	ref	method
3.95	0.233	0.233	Masiero	2011ApJ...741...68M	NEATM
4.03	0.660	0.660	Nugent	2016AJ....152...63N	NEATM
5.08	0.119	0.119	Masiero	2011ApJ...741...68M	NEATM