value	unc_up	unc_lo	author	ref	method
3.48	0.116	0.116	Masiero	2011ApJ...741...68M	NEATM
4.58	0.980	0.980	Nugent	2016AJ....152...63N	NEATM
4.75	1.100	1.100	Masiero	2021PSJ.....2..162M	NEATM