value	unc_up	unc_lo	author	ref	method
0.239	0.0271	0.0271	Masiero	2011ApJ...741...68M	NEATM
0.247	0.0320	0.0320	Masiero	2012ApJ...759L...8M	NEATM
0.260	0.0200	0.0200	Masiero	2014ApJ...791..121M	NEATM