value	unc_up	unc_lo	author	ref	method
0.249	0.0370	0.0370	Masiero	2012ApJ...759L...8M	NEATM
0.250	0.0175	0.0175	Masiero	2011ApJ...741...68M	NEATM
0.290	0.0500	0.0500	Masiero	2014ApJ...791..121M	NEATM