value	unc_up	unc_lo	author	ref	method
3.74	0.091	0.091	Masiero	2011ApJ...741...68M	NEATM
4.13	0.919	0.919	Masiero	2017AJ....154..168M	NEATM
4.48	1.238	1.238	Masiero	2017AJ....154..168M	NEATM