value	unc_up	unc_lo	author	ref	method
4.07	1.610	1.610	Nugent	2016AJ....152...63N	NEATM
5.75	1.519	1.519	Masiero	2017AJ....154..168M	NEATM
6.04	0.124	0.124	Masiero	2011ApJ...741...68M	NEATM
7.31	1.910	1.910	Masiero	2021PSJ.....2..162M	NEATM