value	unc_up	unc_lo	author	ref	method
0.021	0.0160	0.0160	Masiero	2012ApJ...759L...8M	NEATM
0.030	0.0258	0.0258	Masiero	2017AJ....154..168M	NEATM
0.034	0.0224	0.0224	Masiero	2017AJ....154..168M	NEATM
0.057	0.0086	0.0086	Masiero	2011ApJ...741...68M	NEATM