value	unc_up	unc_lo	author	ref	method
6.32	0.316	0.316	Masiero	2011ApJ...741...68M	NEATM
6.60	nan	nan	Ali-Lagoa	2016A&A...591A..14A	NEATM
6.90	nan	nan	Ali-Lagoa	2016A&A...591A..14A	NEATM