value	unc_up	unc_lo	author	ref	method
3.96	0.150	0.150	Masiero	2012ApJ...759L...8M	NEATM
4.21	0.090	0.090	Masiero	2014ApJ...791..121M	NEATM
4.43	0.045	0.045	Masiero	2011ApJ...741...68M	NEATM