value	unc_up	unc_lo	author	ref	method
7.18	1.972	1.972	Masiero	2017AJ....154..168M	NEATM
7.37	0.295	0.295	Masiero	2011ApJ...741...68M	NEATM
7.56	0.212	0.212	Masiero	2011ApJ...741...68M	NEATM
8.15	3.310	3.310	Masiero	2020PSJ.....1....5M	NEATM