value	unc_up	unc_lo	author	ref	method
11.96	3.780	3.780	Nugent	2016AJ....152...63N	NEATM
12.77	3.383	3.383	Masiero	2017AJ....154..168M	NEATM
12.81	4.640	4.640	Masiero	2021PSJ.....2..162M	NEATM