value	unc_up	unc_lo	author	ref	method
6.29	0.080	0.080	Masiero	2014ApJ...791..121M	NEATM
6.42	0.280	0.280	Masiero	2012ApJ...759L...8M	NEATM
6.71	0.031	0.031	Masiero	2011ApJ...741...68M	NEATM