value	unc_up	unc_lo	author	ref	method
4.52	1.173	1.173	Masiero	2017AJ....154..168M	NEATM
4.89	1.420	1.420	Masiero	2021PSJ.....2..162M	NEATM
6.12	1.500	1.500	Masiero	2011ApJ...741...68M	NEATM