value	unc_up	unc_lo	author	ref	method
0.040	0.0208	0.0208	Masiero	2017AJ....154..168M	NEATM
0.050	0.0139	0.0139	Masiero	2011ApJ...741...68M	NEATM
0.059	0.0420	0.0420	Masiero	2020PSJ.....1....5M	NEATM