value	unc_up	unc_lo	author	ref	method
0.022	0.0167	0.0167	Masiero	2017AJ....154..168M	NEATM
0.031	0.0160	0.0320	Masiero	2021PSJ.....2..162M	NEATM
0.035	0.0240	0.0240	Masiero	2012ApJ...759L...8M	NEATM