value	unc_up	unc_lo	author	ref	method
0.029	0.0490	0.0490	Masiero	2012ApJ...759L...8M	NEATM
0.040	0.0180	0.0350	Masiero	2021PSJ.....2..162M	NEATM
0.040	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.057	0.0102	0.0102	Masiero	2011ApJ...741...68M	NEATM