value	unc_up	unc_lo	author	ref	method
0.030	0.0170	0.0170	Masiero	2012ApJ...759L...8M	NEATM
0.030	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.038	0.0120	0.0180	Masiero	2021PSJ.....2..162M	NEATM
0.038	0.0210	0.0490	Masiero	2021PSJ.....2..162M	NEATM