value	unc_up	unc_lo	author	ref	method
3.72	0.140	0.140	Masiero	2012ApJ...759L...8M	NEATM
4.06	0.030	0.030	Masiero	2014ApJ...791..121M	NEATM
4.15	0.017	0.017	Masiero	2011ApJ...741...68M	NEATM