value	unc_up	unc_lo	author	ref	method
7.95	0.710	0.710	Usui	2011PASJ...63.1117U	NEATM
8.46	1.690	1.690	Ali-Lagoa	2018A&A...612A..85A	NEATM
8.78	0.080	0.080	Masiero	2014ApJ...791..121M	NEATM
8.86	0.380	0.380	Masiero	2012ApJ...759L...8M	NEATM
9.24	0.062	0.062	Masiero	2011ApJ...741...68M	NEATM