value	unc_up	unc_lo	author	ref	method
4.02	1.188	1.188	Masiero	2017AJ....154..168M	NEATM
4.41	1.010	1.010	Masiero	2021PSJ.....2..162M	NEATM
4.43	1.170	1.170	Masiero	2020PSJ.....1....5M	NEATM
5.15	0.206	0.206	Masiero	2011ApJ...741...68M	NEATM