value	unc_up	unc_lo	author	ref	method
4.69	1.230	1.230	Masiero	2021PSJ.....2..162M	NEATM
4.74	1.045	1.045	Masiero	2017AJ....154..168M	NEATM
5.14	0.243	0.243	Masiero	2011ApJ...741...68M	NEATM