value	unc_up	unc_lo	author	ref	method
16.59	1.200	1.200	Tedesco	2002AJ....123.1056T	STM
18.10	0.520	0.520	Usui	2011PASJ...63.1117U	NEATM
18.12	1.810	1.810	Ali-Lagoa	2018A&A...612A..85A	NEATM