value	unc_up	unc_lo	author	ref	method
8.09	2.430	2.430	Nugent	2016AJ....152...63N	NEATM
8.14	1.370	1.370	Masiero	2021PSJ.....2..162M	NEATM
8.27	2.270	2.270	Masiero	2021PSJ.....2..162M	NEATM
9.28	2.970	2.970	Masiero	2012ApJ...759L...8M	NEATM