value	unc_up	unc_lo	author	ref	method
0.047	0.0460	0.0460	Masiero	2012ApJ...759L...8M	NEATM
0.049	0.0210	0.0380	Masiero	2021PSJ.....2..162M	NEATM
0.060	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM
0.061	0.0082	0.0082	Masiero	2011ApJ...741...68M	NEATM