value	unc_up	unc_lo	author	ref	method
4.37	1.390	1.390	Masiero	2021PSJ.....2..162M	NEATM
4.74	1.252	1.252	Masiero	2017AJ....154..168M	NEATM
8.23	0.409	0.409	Masiero	2011ApJ...741...68M	NEATM