value	unc_up	unc_lo	author	ref	method
21.09	0.140	0.140	Masiero	2014ApJ...791..121M	NEATM
23.39	0.030	0.030	Masiero	2011ApJ...741...68M	NEATM
29.34	0.260	0.260	Masiero	2012ApJ...759L...8M	NEATM