value	unc_up	unc_lo	author	ref	method
6.56	1.330	1.330	Nugent	2016AJ....152...63N	NEATM
6.62	0.250	0.250	Masiero	2012ApJ...759L...8M	NEATM
9.14	0.800	0.800	Usui	2011PASJ...63.1117U	NEATM
9.53	1.910	1.910	Ali-Lagoa	2018A&A...612A..85A	NEATM