value	unc_up	unc_lo	author	ref	method
5.47	0.349	0.349	Masiero	2011ApJ...741...68M	NEATM
6.46	2.103	2.103	Masiero	2017AJ....154..168M	NEATM
7.24	2.630	2.630	Masiero	2021PSJ.....2..162M	NEATM