value	unc_up	unc_lo	author	ref	method
0.030	0.0166	0.0166	Masiero	2017AJ....154..168M	NEATM
0.038	0.0058	0.0058	Masiero	2011ApJ...741...68M	NEATM
0.041	0.0200	0.0390	Masiero	2021PSJ.....2..162M	NEATM