value	unc_up	unc_lo	author	ref	method
7.25	2.270	2.270	Nugent	2016AJ....152...63N	NEATM
8.15	0.780	0.780	Usui	2011PASJ...63.1117U	NEATM
8.50	1.700	1.700	Ali-Lagoa	2018A&A...612A..85A	NEATM
9.27	0.213	0.213	Masiero	2011ApJ...741...68M	NEATM