value	unc_up	unc_lo	author	ref	method
4.75	0.270	0.270	Masiero	2012ApJ...759L...8M	NEATM
5.29	1.140	1.140	Nugent	2016AJ....152...63N	NEATM
6.12	0.154	0.154	Masiero	2011ApJ...741...68M	NEATM