value	unc_up	unc_lo	author	ref	method
6.36	0.090	0.090	Masiero	2014ApJ...791..121M	NEATM
6.41	0.200	0.200	Masiero	2012ApJ...759L...8M	NEATM
6.77	0.133	0.133	Masiero	2011ApJ...741...68M	NEATM