value	unc_up	unc_lo	author	ref	method
52.48	3.670	3.670	Usui	2011PASJ...63.1117U	NEATM
52.86	0.780	0.780	Grav	2011ApJ...742...40G	NEATM
53.37	10.670	10.670	Ali-Lagoa	2018A&A...612A..85A	NEATM
53.92	0.490	0.490	Grav	2012ApJ...759...49G	NEATM