value	unc_up	unc_lo	author	ref	method
1.94	0.243	0.243	Masiero	2017AJ....154..168M	NEATM
3.69	0.050	0.050	Nugent	2016AJ....152...63N	NEATM
3.72	1.690	1.690	Masiero	2021PSJ.....2..162M	NEATM