value	unc_up	unc_lo	author	ref	method
5.08	1.578	1.578	Masiero	2017AJ....154..168M	NEATM
6.37	1.950	1.950	Masiero	2020PSJ.....1....5M	NEATM
6.49	0.274	0.274	Masiero	2011ApJ...741...68M	NEATM
6.91	2.750	2.750	Masiero	2012ApJ...759L...8M	NEATM