value	unc_up	unc_lo	author	ref	method
4.54	1.260	1.260	Masiero	2021PSJ.....2..162M	NEATM
4.77	1.065	1.065	Masiero	2017AJ....154..168M	NEATM
6.24	0.188	0.188	Masiero	2011ApJ...741...68M	NEATM