value	unc_up	unc_lo	author	ref	method
18.37	3.440	3.440	Masiero	2012ApJ...759L...8M	NEATM
19.94	1.160	1.160	Usui	2011PASJ...63.1117U	NEATM
20.12	4.020	4.020	Ali-Lagoa	2018A&A...612A..85A	NEATM