value	unc_up	unc_lo	author	ref	method
8.62	0.400	0.400	Tedesco	2002AJ....123.1056T	STM
9.06	0.660	0.660	Usui	2011PASJ...63.1117U	NEATM
9.31	0.514	0.514	Masiero	2011ApJ...741...68M	NEATM
9.55	1.910	1.910	Ali-Lagoa	2018A&A...612A..85A	NEATM