value	unc_up	unc_lo	author	ref	method
7.04	0.620	0.620	Usui	2011PASJ...63.1117U	NEATM
7.39	1.480	1.480	Ali-Lagoa	2018A&A...612A..85A	NEATM
7.54	0.194	0.194	Masiero	2011ApJ...741...68M	NEATM