value	unc_up	unc_lo	author	ref	method
4.69	1.020	1.020	Nugent	2016AJ....152...63N	NEATM
4.90	1.190	1.190	Masiero	2021PSJ.....2..162M	NEATM
5.89	1.846	1.846	Masiero	2017AJ....154..168M	NEATM
6.11	0.030	0.030	Masiero	2011ApJ...741...68M	NEATM