value	unc_up	unc_lo	author	ref	method
0.269	0.0370	0.0370	Masiero	2012ApJ...759L...8M	NEATM
0.285	0.0480	0.0480	Masiero	2011ApJ...741...68M	NEATM
0.310	0.0600	0.0600	Masiero	2014ApJ...791..121M	NEATM