value	unc_up	unc_lo	author	ref	method
19.18	0.510	0.510	Usui	2011PASJ...63.1117U	NEATM
19.50	1.950	1.950	Ali-Lagoa	2018A&A...612A..85A	NEATM
20.58	4.120	4.120	Ali-Lagoa	2018A&A...612A..85A	NEATM
20.99	2.100	2.100	Tedesco	2002AJ....123.1056T	STM
21.44	0.130	0.130	Masiero	2014ApJ...791..121M	NEATM
23.06	0.108	0.108	Masiero	2011ApJ...741...68M	NEATM
23.63	3.310	3.310	Masiero	2012ApJ...759L...8M	NEATM