value	unc_up	unc_lo	author	ref	method
6.56	1.640	1.640	Masiero	2021PSJ.....2..162M	NEATM
6.93	1.780	1.780	Masiero	2021PSJ.....2..162M	NEATM
6.94	2.130	2.130	Nugent	2016AJ....152...63N	NEATM
9.06	0.121	0.121	Masiero	2011ApJ...741...68M	NEATM