value	unc_up	unc_lo	author	ref	method
3.59	0.159	0.159	Masiero	2011ApJ...741...68M	NEATM
3.82	1.230	1.230	Nugent	2016AJ....152...63N	NEATM
3.91	0.700	0.700	Masiero	2012ApJ...759L...8M	NEATM