value	unc_up	unc_lo	author	ref	method
6.43	1.920	1.920	Masiero	2021PSJ.....2..162M	NEATM
6.67	0.234	0.234	Masiero	2011ApJ...741...68M	NEATM
7.62	1.740	1.740	Nugent	2016AJ....152...63N	NEATM
8.66	2.677	2.677	Masiero	2017AJ....154..168M	NEATM