value	unc_up	unc_lo	author	ref	method
4.93	1.620	1.620	Nugent	2016AJ....152...63N	NEATM
5.67	1.890	1.890	Masiero	2021PSJ.....2..162M	NEATM
6.04	1.810	1.810	Masiero	2021PSJ.....2..162M	NEATM
6.53	0.083	0.083	Masiero	2011ApJ...741...68M	NEATM