value	unc_up	unc_lo	author	ref	method
0.032	0.0050	0.0050	Masiero	2012ApJ...759L...8M	NEATM
0.036	0.0175	0.0175	Masiero	2017AJ....154..168M	NEATM
0.039	0.0185	0.0185	Masiero	2017AJ....154..168M	NEATM
0.066	0.0109	0.0109	Masiero	2011ApJ...741...68M	NEATM