value	unc_up	unc_lo	author	ref	method
17.07	0.156	0.156	Masiero	2011ApJ...741...68M	NEATM
17.98	1.040	1.040	Usui	2011PASJ...63.1117U	NEATM
18.38	6.590	6.590	Masiero	2020PSJ.....1....5M	NEATM
18.60	3.720	3.720	Ali-Lagoa	2018A&A...612A..85A	NEATM