value	unc_up	unc_lo	author	ref	method
6.02	1.980	1.980	Masiero	2021PSJ.....2..162M	NEATM
6.43	1.810	1.810	Masiero	2021PSJ.....2..162M	NEATM
6.76	1.945	1.945	Masiero	2017AJ....154..168M	NEATM
7.12	0.149	0.149	Masiero	2011ApJ...741...68M	NEATM