value	unc_up	unc_lo	author	ref	method
15.82	3.160	3.160	Ali-Lagoa	2018A&A...612A..85A	NEATM
16.31	1.160	1.160	Usui	2011PASJ...63.1117U	NEATM
18.05	1.900	1.900	Tedesco	2002AJ....123.1056T	STM
18.20	0.236	0.236	Masiero	2011ApJ...741...68M	NEATM