value	unc_up	unc_lo	author	ref	method
7.17	1.130	1.130	Nugent	2016AJ....152...63N	NEATM
8.55	2.070	2.070	Masiero	2021PSJ.....2..162M	NEATM
8.94	0.194	0.194	Masiero	2011ApJ...741...68M	NEATM
9.14	2.330	2.330	Masiero	2020PSJ.....1....5M	NEATM
9.51	2.909	2.909	Masiero	2017AJ....154..168M	NEATM