value	unc_up	unc_lo	author	ref	method
0.064	0.0053	0.0053	Masiero	2011ApJ...741...68M	NEATM
0.080	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM
0.116	0.0500	0.0890	Masiero	2021PSJ.....2..162M	NEATM