value	unc_up	unc_lo	author	ref	method
5.09	0.380	0.380	Masiero	2011ApJ...741...68M	NEATM
5.41	1.640	1.640	Nugent	2016AJ....152...63N	NEATM
6.23	1.960	1.960	Masiero	2021PSJ.....2..162M	NEATM