value	unc_up	unc_lo	author	ref	method
4.51	1.181	1.181	Masiero	2017AJ....154..168M	NEATM
5.17	1.220	1.220	Masiero	2021PSJ.....2..162M	NEATM
5.68	0.263	0.263	Masiero	2011ApJ...741...68M	NEATM