value	unc_up	unc_lo	author	ref	method
18.64	0.326	0.326	Masiero	2011ApJ...741...68M	NEATM
18.82	0.350	0.350	Masiero	2014ApJ...791..121M	NEATM
18.96	1.170	1.170	Usui	2011PASJ...63.1117U	NEATM
19.66	3.930	3.930	Ali-Lagoa	2018A&A...612A..85A	NEATM