value	unc_up	unc_lo	author	ref	method
3.86	0.910	0.910	Nugent	2016AJ....152...63N	NEATM
4.63	1.520	1.520	Masiero	2021PSJ.....2..162M	NEATM
4.81	1.110	1.110	Masiero	2012ApJ...759L...8M	NEATM