value	unc_up	unc_lo	author	ref	method
4.12	0.170	0.170	Masiero	2012ApJ...759L...8M	NEATM
4.54	0.090	0.090	Masiero	2014ApJ...791..121M	NEATM
4.67	0.066	0.066	Masiero	2011ApJ...741...68M	NEATM