value	unc_up	unc_lo	author	ref	method
0.108	0.0566	0.0566	Masiero	2017AJ....154..168M	NEATM
0.127	0.0067	0.0067	Masiero	2011ApJ...741...68M	NEATM
0.131	0.0450	0.0680	Masiero	2021PSJ.....2..162M	NEATM