value	unc_up	unc_lo	author	ref	method
0.039	0.0188	0.0188	Masiero	2017AJ....154..168M	NEATM
0.040	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM
0.051	0.0240	0.0440	Masiero	2021PSJ.....2..162M	NEATM