value	unc_up	unc_lo	author	ref	method
6.75	1.460	1.460	Masiero	2021PSJ.....2..162M	NEATM
6.83	0.215	0.215	Masiero	2011ApJ...741...68M	NEATM
7.15	2.640	2.640	Nugent	2016AJ....152...63N	NEATM