value	unc_up	unc_lo	author	ref	method
0.239	0.0311	0.0311	Masiero	2011ApJ...741...68M	NEATM
0.240	0.0300	0.0300	Masiero	2014ApJ...791..121M	NEATM
0.247	0.0340	0.0340	Masiero	2012ApJ...759L...8M	NEATM