value	unc_up	unc_lo	author	ref	method
3.75	0.860	0.860	Nugent	2016AJ....152...63N	NEATM
3.84	1.045	1.045	Masiero	2017AJ....154..168M	NEATM
3.98	1.110	1.110	Masiero	2021PSJ.....2..162M	NEATM
4.20	0.309	0.309	Masiero	2011ApJ...741...68M	NEATM