value	unc_up	unc_lo	author	ref	method
6.59	0.091	0.091	Masiero	2011ApJ...741...68M	NEATM
7.25	2.580	2.580	Masiero	2021PSJ.....2..162M	NEATM
7.90	2.860	2.860	Masiero	2020PSJ.....1....5M	NEATM
9.09	2.980	2.980	Nugent	2016AJ....152...63N	NEATM