value	unc_up	unc_lo	author	ref	method
27.69	0.430	0.430	Grav	2012ApJ...744..197G	NEATM
30.83	1.260	1.260	Usui	2011PASJ...63.1117U	NEATM
31.63	6.330	6.330	Ali-Lagoa	2018A&A...612A..85A	NEATM
31.68	6.340	6.340	Ali-Lagoa	2018A&A...612A..85A	NEATM