value	unc_up	unc_lo	author	ref	method
5.68	1.670	1.670	Nugent	2016AJ....152...63N	NEATM
5.91	1.820	1.820	Masiero	2021PSJ.....2..162M	NEATM
6.73	0.058	0.058	Masiero	2011ApJ...741...68M	NEATM