value	unc_up	unc_lo	author	ref	method
0.057	0.0374	0.0374	Masiero	2017AJ....154..168M	NEATM
0.064	0.0118	0.0118	Masiero	2011ApJ...741...68M	NEATM
0.071	0.0940	0.0940	Masiero	2012ApJ...759L...8M	NEATM