value	unc_up	unc_lo	author	ref	method
3.89	1.039	1.039	Masiero	2017AJ....154..168M	NEATM
4.28	1.010	1.010	Masiero	2021PSJ.....2..162M	NEATM
4.42	1.070	1.070	Masiero	2021PSJ.....2..162M	NEATM