value	unc_up	unc_lo	author	ref	method
6.38	1.590	1.590	Masiero	2021PSJ.....2..162M	NEATM
6.88	1.474	1.474	Masiero	2017AJ....154..168M	NEATM
8.21	0.138	0.138	Masiero	2011ApJ...741...68M	NEATM