value	unc_up	unc_lo	author	ref	method
7.08	1.430	1.430	Masiero	2021PSJ.....2..162M	NEATM
7.28	1.450	1.450	Nugent	2016AJ....152...63N	NEATM
9.29	1.400	1.400	Masiero	2012ApJ...759L...8M	NEATM