value	unc_up	unc_lo	author	ref	method
4.22	1.070	1.070	Masiero	2021PSJ.....2..162M	NEATM
4.38	1.130	1.130	Nugent	2016AJ....152...63N	NEATM
4.88	1.980	1.980	Masiero	2012ApJ...759L...8M	NEATM
5.44	0.116	0.116	Masiero	2011ApJ...741...68M	NEATM