value	unc_up	unc_lo	author	ref	method
4.87	1.090	1.090	Masiero	2021PSJ.....2..162M	NEATM
5.49	1.477	1.477	Masiero	2011ApJ...741...68M	NEATM
5.91	0.348	0.348	Masiero	2011ApJ...741...68M	NEATM
6.45	1.730	1.730	Nugent	2016AJ....152...63N	NEATM