value	unc_up	unc_lo	author	ref	method
4.09	1.260	1.260	Masiero	2021PSJ.....2..162M	NEATM
4.18	1.330	1.330	Masiero	2020PSJ.....1....5M	NEATM
5.25	1.224	1.224	Masiero	2017AJ....154..168M	NEATM
5.30	0.088	0.088	Masiero	2011ApJ...741...68M	NEATM