value	unc_up	unc_lo	author	ref	method
7.59	1.520	1.520	Ali-Lagoa	2018A&A...612A..85A	NEATM
7.92	0.410	0.410	Usui	2011PASJ...63.1117U	NEATM
8.98	1.950	1.950	Masiero	2012ApJ...759L...8M	NEATM
9.12	1.820	1.820	Ali-Lagoa	2018A&A...612A..85A	NEATM