value	unc_up	unc_lo	author	ref	method
0.042	0.0420	0.0420	Masiero	2012ApJ...759L...8M	NEATM
0.044	0.0071	0.0071	Masiero	2011ApJ...741...68M	NEATM
0.062	0.0324	0.0324	Masiero	2017AJ....154..168M	NEATM