value	unc_up	unc_lo	author	ref	method
0.020	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.046	0.0170	0.0170	Masiero	2012ApJ...759L...8M	NEATM
0.053	0.0235	0.0235	Masiero	2011ApJ...741...68M	NEATM
0.056	0.0220	0.0370	Masiero	2021PSJ.....2..162M	NEATM