value	unc_up	unc_lo	author	ref	method
7.11	1.789	1.789	Masiero	2017AJ....154..168M	NEATM
7.52	1.900	1.900	Masiero	2021PSJ.....2..162M	NEATM
7.90	2.327	2.327	Masiero	2017AJ....154..168M	NEATM
9.26	0.133	0.133	Masiero	2011ApJ...741...68M	NEATM