value	unc_up	unc_lo	author	ref	method
4.44	1.340	1.340	Masiero	2012ApJ...759L...8M	NEATM
4.64	1.350	1.350	Nugent	2016AJ....152...63N	NEATM
5.32	0.066	0.066	Masiero	2011ApJ...741...68M	NEATM