value	unc_up	unc_lo	author	ref	method
0.030	0.0750	0.0750	Masiero	2012ApJ...759L...8M	NEATM
0.037	0.0160	0.0280	Masiero	2021PSJ.....2..162M	NEATM
0.049	0.0274	0.0274	Masiero	2017AJ....154..168M	NEATM
0.050	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.066	0.0128	0.0128	Masiero	2011ApJ...741...68M	NEATM