value	unc_up	unc_lo	author	ref	method
6.33	1.870	1.870	Masiero	2021PSJ.....2..162M	NEATM
6.46	1.750	1.750	Masiero	2021PSJ.....2..162M	NEATM
6.93	0.134	0.134	Masiero	2011ApJ...741...68M	NEATM
7.33	1.980	1.980	Nugent	2016AJ....152...63N	NEATM