value	unc_up	unc_lo	author	ref	method
0.052	0.0530	0.0530	Masiero	2012ApJ...759L...8M	NEATM
0.064	0.0039	0.0039	Masiero	2011ApJ...741...68M	NEATM
0.067	0.0270	0.0440	Masiero	2021PSJ.....2..162M	NEATM
0.070	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM