value	unc_up	unc_lo	author	ref	method
6.24	1.933	1.933	Masiero	2017AJ....154..168M	NEATM
6.52	1.400	1.400	Masiero	2020PSJ.....1....5M	NEATM
6.72	0.221	0.221	Masiero	2011ApJ...741...68M	NEATM
7.26	0.394	0.394	Masiero	2011ApJ...741...68M	NEATM