value	unc_up	unc_lo	author	ref	method
3.65	1.004	1.004	Masiero	2017AJ....154..168M	NEATM
4.05	1.100	1.100	Masiero	2021PSJ.....2..162M	NEATM
4.22	1.298	1.298	Masiero	2011ApJ...741...68M	NEATM