value	unc_up	unc_lo	author	ref	method
4.43	0.820	0.820	Nugent	2016AJ....152...63N	NEATM
7.19	0.640	0.640	Usui	2011PASJ...63.1117U	NEATM
7.71	1.540	1.540	Ali-Lagoa	2018A&A...612A..85A	NEATM