value	unc_up	unc_lo	author	ref	method
6.69	1.467	1.467	Masiero	2017AJ....154..168M	NEATM
7.39	2.060	2.060	Masiero	2021PSJ.....2..162M	NEATM
8.84	0.291	0.291	Masiero	2011ApJ...741...68M	NEATM