value	unc_up	unc_lo	author	ref	method
19.08	0.250	0.250	Masiero	2011ApJ...741...68M	NEATM
19.97	1.700	1.700	Tedesco	2002AJ....123.1056T	STM
20.36	4.070	4.070	Ali-Lagoa	2018A&A...612A..85A	NEATM
20.82	0.570	0.570	Usui	2011PASJ...63.1117U	NEATM
21.27	4.250	4.250	Ali-Lagoa	2018A&A...612A..85A	NEATM