value	unc_up	unc_lo	author	ref	method
4.70	0.124	0.124	Masiero	2011ApJ...741...68M	NEATM
5.06	1.540	1.540	Nugent	2016AJ....152...63N	NEATM
5.57	1.480	1.480	Masiero	2021PSJ.....2..162M	NEATM