value	unc_up	unc_lo	author	ref	method
6.63	1.540	1.540	Nugent	2016AJ....152...63N	NEATM
7.67	2.270	2.270	Masiero	2020PSJ.....1....5M	NEATM
8.09	2.750	2.750	Masiero	2021PSJ.....2..162M	NEATM
9.01	0.068	0.068	Masiero	2011ApJ...741...68M	NEATM