value	unc_up	unc_lo	author	ref	method
7.81	0.149	0.149	Masiero	2011ApJ...741...68M	NEATM
7.95	2.596	2.596	Masiero	2017AJ....154..168M	NEATM
9.04	2.670	2.670	Masiero	2012ApJ...759L...8M	NEATM