value	unc_up	unc_lo	author	ref	method
0.020	0.0100	0.0100	Nugent	2016AJ....152...63N	NEATM
0.027	0.0157	0.0157	Masiero	2017AJ....154..168M	NEATM
0.029	0.0090	0.0140	Masiero	2021PSJ.....2..162M	NEATM