value	unc_up	unc_lo	author	ref	method
4.39	0.199	0.199	Masiero	2011ApJ...741...68M	NEATM
4.53	1.080	1.080	Nugent	2016AJ....152...63N	NEATM
4.59	0.215	0.215	Masiero	2011ApJ...741...68M	NEATM