value	unc_up	unc_lo	author	ref	method
0.040	0.0224	0.0224	Masiero	2011ApJ...741...68M	NEATM
0.049	0.0190	0.0300	Masiero	2021PSJ.....2..162M	NEATM
0.056	0.0206	0.0206	Masiero	2017AJ....154..168M	NEATM