value	unc_up	unc_lo	author	ref	method
0.049	0.0175	0.0175	Masiero	2017AJ....154..168M	NEATM
0.051	0.0108	0.0108	Masiero	2011ApJ...741...68M	NEATM
0.056	0.0102	0.0102	Masiero	2011ApJ...741...68M	NEATM