value	unc_up	unc_lo	author	ref	method
17.19	1.130	1.130	Usui	2011PASJ...63.1117U	NEATM
17.57	3.510	3.510	Ali-Lagoa	2018A&A...612A..85A	NEATM
19.93	0.116	0.116	Masiero	2011ApJ...741...68M	NEATM
21.17	4.600	4.600	Masiero	2020PSJ.....1....5M	NEATM