value	unc_up	unc_lo	author	ref	method
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.083	0.0280	0.0280	Masiero	2012ApJ...759L...8M	NEATM
0.089	0.0219	0.0219	Masiero	2011ApJ...741...68M	NEATM
0.108	0.0470	0.0820	Masiero	2021PSJ.....2..162M	NEATM