value	unc_up	unc_lo	author	ref	method
7.86	0.761	0.761	Masiero	2011ApJ...741...68M	NEATM
7.90	nan	nan	Ali-Lagoa	2016A&A...591A..14A	NEATM
9.10	nan	nan	Ali-Lagoa	2016A&A...591A..14A	NEATM