value	unc_up	unc_lo	author	ref	method
0.038	0.0410	0.0410	Masiero	2012ApJ...759L...8M	NEATM
0.040	0.0046	0.0046	Masiero	2011ApJ...741...68M	NEATM
0.045	0.0476	0.0476	Masiero	2017AJ....154..168M	NEATM