value	unc_up	unc_lo	author	ref	method
0.040	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.046	0.0315	0.0315	Masiero	2017AJ....154..168M	NEATM
0.070	0.0210	0.0310	Masiero	2021PSJ.....2..162M	NEATM