value	unc_up	unc_lo	author	ref	method
3.80	0.890	0.890	Masiero	2021PSJ.....2..162M	NEATM
3.93	1.240	1.240	Nugent	2016AJ....152...63N	NEATM
4.59	1.210	1.210	Masiero	2012ApJ...759L...8M	NEATM
4.98	0.174	0.174	Masiero	2011ApJ...741...68M	NEATM