value	unc_up	unc_lo	author	ref	method
6.88	0.330	0.330	Usui	2011PASJ...63.1117U	NEATM
8.03	0.800	0.800	Ali-Lagoa	2018A&A...612A..85A	NEATM
8.15	0.150	0.150	Masiero	2012ApJ...759L...8M	NEATM