value	unc_up	unc_lo	author	ref	method
3.86	0.140	0.140	Masiero	2012ApJ...759L...8M	NEATM
3.92	0.040	0.040	Masiero	2014ApJ...791..121M	NEATM
4.01	0.021	0.021	Masiero	2011ApJ...741...68M	NEATM