value	unc_up	unc_lo	author	ref	method
6.04	0.330	0.330	Masiero	2012ApJ...759L...8M	NEATM
7.70	0.550	0.550	Usui	2011PASJ...63.1117U	NEATM
7.75	1.550	1.550	Ali-Lagoa	2018A&A...612A..85A	NEATM
8.81	1.760	1.760	Ali-Lagoa	2018A&A...612A..85A	NEATM