value	unc_up	unc_lo	author	ref	method
18.96	1.100	1.100	Masiero	2012ApJ...759L...8M	NEATM
19.70	0.152	0.152	Masiero	2011ApJ...741...68M	NEATM
21.42	1.450	1.450	Usui	2011PASJ...63.1117U	NEATM
21.81	4.360	4.360	Ali-Lagoa	2018A&A...612A..85A	NEATM
23.36	1.900	1.900	Tedesco	2002AJ....123.1056T	STM