value	unc_up	unc_lo	author	ref	method
7.34	2.000	2.000	Nugent	2016AJ....152...63N	NEATM
7.80	0.160	0.160	Masiero	2012ApJ...759L...8M	NEATM
9.27	0.660	0.660	Usui	2011PASJ...63.1117U	NEATM
9.64	1.930	1.930	Ali-Lagoa	2018A&A...612A..85A	NEATM