value	unc_up	unc_lo	author	ref	method
3.29	0.040	0.040	Masiero	2014ApJ...791..121M	NEATM
3.41	1.220	1.220	Masiero	2012ApJ...759L...8M	NEATM
3.47	0.017	0.017	Masiero	2011ApJ...741...68M	NEATM