value	unc_up	unc_lo	author	ref	method
5.76	1.810	1.810	Nugent	2016AJ....152...63N	NEATM
6.89	0.101	0.101	Masiero	2011ApJ...741...68M	NEATM
7.08	1.940	1.940	Masiero	2021PSJ.....2..162M	NEATM
7.78	0.180	0.180	Masiero	2012ApJ...759L...8M	NEATM