value	unc_up	unc_lo	author	ref	method
6.75	1.400	1.400	Masiero	2020PSJ.....1....5M	NEATM
7.32	1.660	1.660	Masiero	2021PSJ.....2..162M	NEATM
7.73	1.679	1.679	Masiero	2017AJ....154..168M	NEATM
8.41	0.085	0.085	Masiero	2011ApJ...741...68M	NEATM
9.02	0.071	0.071	Masiero	2011ApJ...741...68M	NEATM