value	unc_up	unc_lo	author	ref	method
0.196	0.0301	0.0301	Masiero	2011ApJ...741...68M	NEATM
0.210	0.0200	0.0200	Masiero	2014ApJ...791..121M	NEATM
0.230	0.0190	0.0190	Masiero	2012ApJ...759L...8M	NEATM