value	unc_up	unc_lo	author	ref	method
4.31	1.059	1.059	Masiero	2017AJ....154..168M	NEATM
4.35	1.150	1.150	Masiero	2021PSJ.....2..162M	NEATM
4.57	1.450	1.450	Masiero	2021PSJ.....2..162M	NEATM
6.44	0.356	0.356	Masiero	2011ApJ...741...68M	NEATM