value	unc_up	unc_lo	author	ref	method
7.55	0.120	0.120	Masiero	2014ApJ...791..121M	NEATM
7.76	0.820	0.820	Usui	2011PASJ...63.1117U	NEATM
7.99	0.050	0.050	Masiero	2011ApJ...741...68M	NEATM
8.14	1.630	1.630	Ali-Lagoa	2018A&A...612A..85A	NEATM