value	unc_up	unc_lo	author	ref	method
3.23	0.970	0.970	Nugent	2016AJ....152...63N	NEATM
3.63	0.890	0.890	Masiero	2012ApJ...759L...8M	NEATM
3.68	0.373	0.373	Masiero	2011ApJ...741...68M	NEATM
4.32	1.140	1.140	Masiero	2021PSJ.....2..162M	NEATM