value	unc_up	unc_lo	author	ref	method
0.031	0.0170	0.0170	Masiero	2012ApJ...759L...8M	NEATM
0.037	0.0200	0.0420	Masiero	2021PSJ.....2..162M	NEATM
0.040	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM
0.054	0.0142	0.0142	Masiero	2011ApJ...741...68M	NEATM