value	unc_up	unc_lo	author	ref	method
3.99	0.820	0.820	Masiero	2021PSJ.....2..162M	NEATM
4.43	0.113	0.113	Masiero	2011ApJ...741...68M	NEATM
5.39	2.630	2.630	Masiero	2012ApJ...759L...8M	NEATM
5.90	1.640	1.640	Nugent	2016AJ....152...63N	NEATM