value	unc_up	unc_lo	author	ref	method
0.039	0.0298	0.0298	Masiero	2011ApJ...741...68M	NEATM
0.042	0.0282	0.0282	Masiero	2017AJ....154..168M	NEATM
0.051	0.0190	0.0300	Masiero	2021PSJ.....2..162M	NEATM