value	unc_up	unc_lo	author	ref	method
4.39	1.260	1.260	Masiero	2021PSJ.....2..162M	NEATM
4.96	1.350	1.350	Nugent	2016AJ....152...63N	NEATM
5.64	1.940	1.940	Masiero	2012ApJ...759L...8M	NEATM
5.72	0.328	0.328	Masiero	2011ApJ...741...68M	NEATM