value	unc_up	unc_lo	author	ref	method
7.35	2.159	2.159	Masiero	2017AJ....154..168M	NEATM
7.47	0.143	0.143	Masiero	2011ApJ...741...68M	NEATM
7.51	0.176	0.176	Masiero	2011ApJ...741...68M	NEATM