value	unc_up	unc_lo	author	ref	method
0.037	0.0390	0.0390	Masiero	2012ApJ...759L...8M	NEATM
0.038	0.0197	0.0197	Masiero	2017AJ....154..168M	NEATM
0.043	0.0104	0.0104	Masiero	2011ApJ...741...68M	NEATM