value	unc_up	unc_lo	author	ref	method
7.04	1.780	1.780	Nugent	2016AJ....152...63N	NEATM
7.10	1.960	1.960	Masiero	2021PSJ.....2..162M	NEATM
7.18	1.740	1.740	Masiero	2021PSJ.....2..162M	NEATM
7.61	0.193	0.193	Masiero	2011ApJ...741...68M	NEATM