value	unc_up	unc_lo	author	ref	method
0.068	0.0481	0.0481	Masiero	2017AJ....154..168M	NEATM
0.068	0.0270	0.0440	Masiero	2021PSJ.....2..162M	NEATM
0.078	0.0490	0.0490	Masiero	2012ApJ...759L...8M	NEATM