value	unc_up	unc_lo	author	ref	method
3.78	0.149	0.149	Masiero	2011ApJ...741...68M	NEATM
4.58	1.010	1.010	Nugent	2016AJ....152...63N	NEATM
4.64	1.330	1.330	Masiero	2012ApJ...759L...8M	NEATM