value	unc_up	unc_lo	author	ref	method
7.80	2.590	2.590	Nugent	2016AJ....152...63N	NEATM
8.33	0.175	0.175	Masiero	2011ApJ...741...68M	NEATM
9.84	3.233	3.233	Masiero	2017AJ....154..168M	NEATM
9.89	3.220	3.220	Masiero	2021PSJ.....2..162M	NEATM
9.92	2.460	2.460	Masiero	2012ApJ...759L...8M	NEATM