value	unc_up	unc_lo	author	ref	method
3.93	1.270	1.270	Nugent	2016AJ....152...63N	NEATM
4.06	1.150	1.150	Masiero	2021PSJ.....2..162M	NEATM
4.32	0.399	0.399	Masiero	2011ApJ...741...68M	NEATM
4.41	0.131	0.131	Masiero	2011ApJ...741...68M	NEATM