value	unc_up	unc_lo	author	ref	method
0.042	0.0197	0.0197	Masiero	2017AJ....154..168M	NEATM
0.047	0.0190	0.0310	Masiero	2021PSJ.....2..162M	NEATM
0.052	0.0526	0.0526	Masiero	2011ApJ...741...68M	NEATM