value	unc_up	unc_lo	author	ref	method
0.056	0.0190	0.0190	Masiero	2012ApJ...759L...8M	NEATM
0.059	0.0315	0.0315	Masiero	2017AJ....154..168M	NEATM
0.068	0.0260	0.0420	Masiero	2021PSJ.....2..162M	NEATM