value	unc_up	unc_lo	author	ref	method
5.08	1.350	1.350	Nugent	2016AJ....152...63N	NEATM
5.21	1.550	1.550	Masiero	2021PSJ.....2..162M	NEATM
6.17	0.494	0.494	Masiero	2011ApJ...741...68M	NEATM