value	unc_up	unc_lo	author	ref	method
10.10	2.490	2.490	Nugent	2016AJ....152...63N	NEATM
9.16	0.157	0.157	Masiero	2011ApJ...741...68M	NEATM
9.88	2.430	2.430	Masiero	2021PSJ.....2..162M	NEATM