value	unc_up	unc_lo	author	ref	method
0.024	0.0171	0.0171	Masiero	2017AJ....154..168M	NEATM
0.041	0.0090	0.0090	Masiero	2012ApJ...759L...8M	NEATM
0.058	0.0028	0.0028	Masiero	2011ApJ...741...68M	NEATM