value	unc_up	unc_lo	author	ref	method
5.80	1.870	1.870	Masiero	2021PSJ.....2..162M	NEATM
6.03	1.618	1.618	Masiero	2017AJ....154..168M	NEATM
6.18	0.227	0.227	Masiero	2011ApJ...741...68M	NEATM
6.60	0.140	0.140	Masiero	2012ApJ...759L...8M	NEATM