value	unc_up	unc_lo	author	ref	method
5.50	0.128	0.128	Masiero	2011ApJ...741...68M	NEATM
5.67	1.522	1.522	Masiero	2017AJ....154..168M	NEATM
6.00	1.390	1.390	Masiero	2021PSJ.....2..162M	NEATM