value	unc_up	unc_lo	author	ref	method
5.07	1.080	1.080	Nugent	2016AJ....152...63N	NEATM
6.73	1.580	1.580	Masiero	2021PSJ.....2..162M	NEATM
6.97	1.860	1.860	Masiero	2012ApJ...759L...8M	NEATM