value	unc_up	unc_lo	author	ref	method
7.50	1.600	1.600	Nugent	2016AJ....152...63N	NEATM
7.63	2.080	2.080	Masiero	2021PSJ.....2..162M	NEATM
7.80	2.080	2.080	Masiero	2021PSJ.....2..162M	NEATM