value	unc_up	unc_lo	author	ref	method
6.92	0.830	0.830	Usui	2011PASJ...63.1117U	NEATM
7.41	1.480	1.480	Ali-Lagoa	2018A&A...612A..85A	NEATM
8.17	1.900	1.900	Masiero	2021PSJ.....2..162M	NEATM
8.91	0.157	0.157	Masiero	2011ApJ...741...68M	NEATM