value	unc_up	unc_lo	author	ref	method
0.184	0.0530	0.0530	Masiero	2012ApJ...759L...8M	NEATM
0.227	0.0502	0.0502	Masiero	2011ApJ...741...68M	NEATM
0.250	0.0400	0.0400	Masiero	2014ApJ...791..121M	NEATM