value	unc_up	unc_lo	author	ref	method
0.049	0.0101	0.0101	Masiero	2011ApJ...741...68M	NEATM
0.050	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.073	0.0260	0.0410	Masiero	2021PSJ.....2..162M	NEATM