value	unc_up	unc_lo	author	ref	method
7.73	2.140	2.140	Nugent	2016AJ....152...63N	NEATM
8.08	2.351	2.351	Masiero	2017AJ....154..168M	NEATM
8.50	2.350	2.350	Masiero	2021PSJ.....2..162M	NEATM
8.66	2.490	2.490	Masiero	2021PSJ.....2..162M	NEATM
8.72	2.350	2.350	Masiero	2021PSJ.....2..162M	NEATM
9.74	0.153	0.153	Masiero	2011ApJ...741...68M	NEATM