value	unc_up	unc_lo	author	ref	method
4.11	1.030	1.030	Nugent	2016AJ....152...63N	NEATM
4.18	1.050	1.050	Masiero	2021PSJ.....2..162M	NEATM
4.40	1.250	1.250	Nugent	2016AJ....152...63N	NEATM
6.44	0.265	0.265	Masiero	2011ApJ...741...68M	NEATM