value	unc_up	unc_lo	author	ref	method
0.038	0.0257	0.0257	Masiero	2017AJ....154..168M	NEATM
0.041	0.0160	0.0250	Masiero	2021PSJ.....2..162M	NEATM
0.072	0.0245	0.0245	Masiero	2011ApJ...741...68M	NEATM