value	unc_up	unc_lo	author	ref	method
6.20	0.070	0.070	Masiero	2014ApJ...791..121M	NEATM
6.65	0.038	0.038	Masiero	2011ApJ...741...68M	NEATM
7.31	0.340	0.340	Masiero	2012ApJ...759L...8M	NEATM