value	unc_up	unc_lo	author	ref	method
0.072	0.0080	0.0080	Masiero	2011ApJ...741...68M	NEATM
0.077	0.0399	0.0399	Masiero	2017AJ....154..168M	NEATM
0.144	0.0960	0.0960	Masiero	2012ApJ...759L...8M	NEATM