value	unc_up	unc_lo	author	ref	method
4.02	1.310	1.310	Nugent	2016AJ....152...63N	NEATM
4.41	1.462	1.462	Masiero	2017AJ....154..168M	NEATM
4.45	1.110	1.110	Masiero	2021PSJ.....2..162M	NEATM
5.57	0.258	0.258	Masiero	2011ApJ...741...68M	NEATM