value	unc_up	unc_lo	author	ref	method
0.048	0.0030	0.0030	Masiero	2011ApJ...741...68M	NEATM
0.050	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.058	0.0340	0.0340	Masiero	2012ApJ...759L...8M	NEATM
0.066	0.0270	0.0450	Masiero	2021PSJ.....2..162M	NEATM