value	unc_up	unc_lo	author	ref	method
6.05	0.410	0.410	Masiero	2012ApJ...759L...8M	NEATM
6.14	0.500	0.500	Usui	2011PASJ...63.1117U	NEATM
6.79	1.360	1.360	Ali-Lagoa	2018A&A...612A..85A	NEATM