value	unc_up	unc_lo	author	ref	method
5.95	2.357	2.357	Masiero	2017AJ....154..168M	NEATM
5.98	0.474	0.474	Masiero	2011ApJ...741...68M	NEATM
6.47	1.730	1.730	Masiero	2017AJ....154..168M	NEATM