value	unc_up	unc_lo	author	ref	method
6.93	1.610	1.610	Nugent	2016AJ....152...63N	NEATM
7.46	0.059	0.059	Masiero	2011ApJ...741...68M	NEATM
8.14	2.390	2.390	Masiero	2021PSJ.....2..162M	NEATM
8.80	3.200	3.200	Masiero	2021PSJ.....2..162M	NEATM
8.87	2.550	2.550	Nugent	2016AJ....152...63N	NEATM