value	unc_up	unc_lo	author	ref	method
6.35	0.720	0.720	Usui	2011PASJ...63.1117U	NEATM
6.69	1.340	1.340	Ali-Lagoa	2018A&A...612A..85A	NEATM
6.80	1.860	1.860	Nugent	2016AJ....152...63N	NEATM
7.04	0.260	0.260	Masiero	2012ApJ...759L...8M	NEATM
7.47	0.080	0.080	Masiero	2014ApJ...791..121M	NEATM
7.52	0.100	0.100	Masiero	2011ApJ...741...68M	NEATM