value	unc_up	unc_lo	author	ref	method
4.49	1.350	1.350	Nugent	2016AJ....152...63N	NEATM
5.10	0.159	0.159	Masiero	2011ApJ...741...68M	NEATM
5.57	0.880	0.880	Masiero	2012ApJ...759L...8M	NEATM
5.60	1.320	1.320	Masiero	2021PSJ.....2..162M	NEATM