value	unc_up	unc_lo	author	ref	method
0.227	0.0340	0.0340	Masiero	2012ApJ...759L...8M	NEATM
0.277	0.0241	0.0241	Masiero	2011ApJ...741...68M	NEATM
0.280	0.0600	0.0600	Masiero	2014ApJ...791..121M	NEATM