value	unc_up	unc_lo	author	ref	method
6.02	0.219	0.219	Masiero	2011ApJ...741...68M	NEATM
6.23	2.062	2.062	Masiero	2017AJ....154..168M	NEATM
6.93	1.170	1.170	Masiero	2012ApJ...759L...8M	NEATM