value	unc_up	unc_lo	author	ref	method
4.90	1.157	1.157	Masiero	2017AJ....154..168M	NEATM
4.92	1.280	1.280	Masiero	2021PSJ.....2..162M	NEATM
5.49	1.370	1.370	Masiero	2020PSJ.....1....5M	NEATM
5.77	0.638	0.638	Masiero	2011ApJ...741...68M	NEATM