value	unc_up	unc_lo	author	ref	method
0.044	0.0290	0.0290	Masiero	2012ApJ...759L...8M	NEATM
0.050	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM
0.053	0.0065	0.0065	Masiero	2011ApJ...741...68M	NEATM
0.061	0.0250	0.0430	Masiero	2021PSJ.....2..162M	NEATM