value	unc_up	unc_lo	author	ref	method
7.26	2.470	2.470	Nugent	2016AJ....152...63N	NEATM
7.88	0.018	0.018	Masiero	2011ApJ...741...68M	NEATM
8.09	2.410	2.410	Masiero	2020PSJ.....1....5M	NEATM
8.19	2.460	2.460	Masiero	2020PSJ.....1....5M	NEATM