value	unc_up	unc_lo	author	ref	method
0.231	0.0270	0.0270	Masiero	2012ApJ...759L...8M	NEATM
0.274	0.0285	0.0285	Masiero	2011ApJ...741...68M	NEATM
0.280	0.0400	0.0400	Masiero	2014ApJ...791..121M	NEATM