value	unc_up	unc_lo	author	ref	method
6.69	0.180	0.180	Masiero	2012ApJ...759L...8M	NEATM
6.73	0.620	0.620	Usui	2011PASJ...63.1117U	NEATM
6.87	0.115	0.115	Masiero	2011ApJ...741...68M	NEATM
6.95	1.390	1.390	Ali-Lagoa	2018A&A...612A..85A	NEATM
7.05	0.120	0.120	Masiero	2014ApJ...791..121M	NEATM