value	unc_up	unc_lo	author	ref	method
0.049	0.0333	0.0333	Masiero	2017AJ....154..168M	NEATM
0.054	0.0266	0.0266	Masiero	2017AJ....154..168M	NEATM
0.067	0.0180	0.0180	Masiero	2011ApJ...741...68M	NEATM