value	unc_up	unc_lo	author	ref	method
6.21	0.260	0.260	Masiero	2012ApJ...759L...8M	NEATM
7.64	0.040	0.040	Masiero	2014ApJ...791..121M	NEATM
7.77	0.070	0.070	Masiero	2011ApJ...741...68M	NEATM