value	unc_up	unc_lo	author	ref	method
0.044	0.0237	0.0237	Masiero	2017AJ....154..168M	NEATM
0.048	0.0037	0.0037	Masiero	2011ApJ...741...68M	NEATM
0.049	0.0250	0.0510	Masiero	2021PSJ.....2..162M	NEATM