value	unc_up	unc_lo	author	ref	method
3.47	0.180	0.180	Masiero	2012ApJ...759L...8M	NEATM
4.09	0.070	0.070	Masiero	2014ApJ...791..121M	NEATM
4.51	0.030	0.030	Masiero	2011ApJ...741...68M	NEATM